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REFERENCES
Albers LL, Schiff M, Gorwoda JG. The Length of Active Labor in Normal Pregnancies. 0bs:et
1996; 87:355-9.
Alisjahbana A, Williams C, Dharmayanti R, Hermawan D, Kwast BE, Koblinsky M. An
integrated village matemity service to improve referral pattems in a rural area in West-Java. Int
m n e c o l Obstet 1995; 48 (Suppl):S83-S94.
Allahbadia GN, Vaidya P R Why deliver in the supine position? Aust NZ J Obstet Gvnaecol
1992; 3212: 104-106.
Argentine episiotomy trial collaborative group. Routine vs selective episiotomy: a randomised
controlled trial. Lancet 1993; 342: 1517-1518.
Bhardwaj N, Kukade JA, Patil S, Bhardwaj S. Randomised controlled trial on modified
squatting position of delivery. Indian J Maternal and Child Health 1995; 6(2):33-39.
Barnett MM, Humenick-SS. Infant outcome in relation to second stage labor pushing method.
1982; 9:221-228.
m
Barrett JFR, Savage J, Phillips K, Lilford RJ. Randomized trial of amniotomy in labour vs the
intention to leave membranes intact until the second stage. Br J Obstet Gynaecol 1992; 995-10.
Bastian H, Lancaster PAL. &me bi*
National Perinatal Statistics Unit 1992.
in Australia 1985-1987. 1988-1990. Sidney, AIHW
Begley CM. A comparison of "active" and "physiological" management of the third stage of
labour. Midwiferv 199Q;6:3- 17.
Bidgood KA, Steer PJ. A randomized control study of oxytocin augmeiitation of labour.
Obstet G v a 1987; 9 4 5 12-517.
Bonham DG. Intramuscular oxytocics and cord traction in third stage of labour. Br Med J 1963;
2:1620-1623.
Borthen 1, Lossius P, Skjaerven R, Bergsje P. Changes in frequency and indications for cesarean
section in Norway 1967-1984. A t a Obstet Gyrrecol S c d 1989; 68589-593.
Botha MC, The management of the umbilical cord in labour. S Afr J Obstet G~naecol1968; 6:3033.
Brieger WF2, Luchok KJ, Eng E, Earp JA. Use of matemity services by pregnant women in a
small Nigerian community. Health Care for Women Int-tional
1994; 15:101- 1 10.
Buckels U,Usher R Cardiopulmonary effects of placental transfusion. J Pediatr 1965; 67:239246.
Buitendijk SE. How safe are Dutch home births? In: Abraham-Van der Mark E (ed). Successful
home birth and midwifery. Westport, Bergin and Garvey 1993.
Bullough CHW, Msuku RS,Karonde L. Early suckling and postpartum haemorrhage: controlled
trial in deliveries by traditional birth attendants. Lancet 1989; ii:522-525.
Bundsen. P, Ericson K, Peterson L, Thiringer K. Pain relief in labor by transcutaneous neme
stimulation. Testing of a modified technique and evaluation of the neurological and biochemical
condition of the newborn infant. Acta Obstet Gvnecol Scand 1982; 61 :129-136.
Buxton EJ, Redman CWE, Obhrai M. Delayed pushing with epidural in labour - does it increase
the incidence of spontaneous delivery? J Obstet Gvnaecol 1988; 8:258-261.
Campbeil R, Macfarlane A. Where to be Born? The debate and the evidence. National Perinatal
Epidemiology Unit, Oxford, 1994.
Catchlove FH, Kafer E R The effects of diazepam on the ventlatory response to carbon doxide
and on steady-state gas exchange. Anesthesiology 1971;34:9- 13.
Chan DPC. Positions during labour. Br Med J 1963; i: 100-102.
Chapman MG, Jones M, Spring JE,De Swiet M, Chamberiain GVP. The use of a birthroom:
a randomized trial comparing delivery with that in a labour ward. Br J Obstet Gynaecol 1986;
93:182-187.
Chen SZ, Aisaka K, Mori H, Kigawa T. Effects of sitting position on uterine activity during
labor. Obstet Gvnecol 1987; 79:67-73.
Chen SZ, Aisaka K, Mori H, Kigawa T. Effects of sitting position on uterine activity dunng
labour. Obstet Gvnecol 1987; 79:67-73.
Chintu MK, Susu B. Role of the midwife in maternal health care, In: Nasah BT, Mati JKG,
Kasonde JM (eds). Contemporary issues in maternal health care in Africa. Luxembourg, Harwood
Academic Publishers 1994.
Cohen AR, Klapholz H, Thompson MS. Electronic fetal monitoring and clinical practice - a
survey of obstetric opinion. Med Decision Making 1982; 2:79-95.
Cohen GR, O'Brien WF, Lewis L, Knuppel RA. A prospective randomized study of the
aggressive management of early labor. Am J Obstet Gynecol 1987; 157: 1174-1177.
Crawford JS. Some aspects of obstetric anaesthesia. Br J Anaesth 1956; 28: 146-158,20 1-208.
Crowley P, Elbourne DR, Ashhurst H, Garcia J, Murphy D, Duignan N. Delivery in an
obstetric birth chair: a randomized controlled trial. Br J Obstet Gynaecol 1991; 98:667-674.
Crowther C, Enkin M, Keirse MJNC, Brown 1. Monitoring the progress of labour. In: Chalmers
1 et al (eds). Effective care in pregnancv and childbirth. Oxford, Oxford University Press, 1989.
Cunningham FG, MacDonald PC, Gant NF. Williams Obstetrics, 18th ed. East Norwalk,
Appleton 1989.
Curzen P, Bekir JS, McLintock DG, Patel M. Reliability of cardiotocography in predicting
baby's condition at birth. Br Med J 1984; 289: 1345-1347.
Dalen JE, Evans GL, Banas JS, Brooks HL, Paraskos JA, Dexter L. The hemodynamic and
respiratory effects of diazepam (Valium). Anesthesiologv 1969; 30:259-263.
Daley D. The use of intramuscular ergometrine at the end of the second stage of normal labour.
J Obstet Gvnaecol Br Commnwlth 1951; 57:388-397.
De Groot ANJA, Slort W, Van Roosmalen J. Assessment of the risk approach to maternity care
in a district hospital in rural Tanzania. b t J Gvmecol Obstet 1993; 40:33-37.
De Groot ANJA, Van Roosmalen J, Van Dongen PWJ, Borm GF. A placebo-controlled trial
of oral ergometrine to reduce postpartum hemorrhage. Acta Obstet Gvnecol Scand 1996 (in press).
De Leeuw NKM,Lowenstein L, Tucker EC, Dayal S. Correlation of red cell loss at delivery with
changes in red cell mass. Am J Obstet Gvnecol1968; 100:1092-1101.
Department of Health. C h a u n g Childbirth Report of the Expert Maternity Group, HMSO,
London, 1993.
De Snoo K, J,eerboek der Verloskun& (Textbook of Obstetrics). Groningen, Wolters 1930.
Diaz AG, Schwarcz R, Fescina R, Caldeyro-Barcia R. Vertical position during the first stage
of the course of labor, and neonatal outcome. Eur J Obstet Gvnecol Reprod Biol 1980; 11:1-7.
Dickersin K. Pharmacological control of pain during labour. In: Chalmers et al (eds). Effective
care in pregnancv and childbirth, Oxford, Oxford University Press 1989.
Doran JR, O'Brien SA, Randa11 JH. Repeated postpartum hemorrhage. Obstet Gvnecol1955;
5:186-192.
Drayton S, Rees C. They know what they're doing. Do nurses know why they give pregnant
women enemas? Nurs Mirror 1984; 5:4-8.
Dunn PM, Fraser ID, Raper AB. Influence of early cord ligation on the transplacental passage
of foetal cells. J Obstet Gynaecol Br Commnwlth 1966; 73:757-760.
Dunn PM. The third stage and fetal adaptaiion. In: Clinch J, Matthews T (eds). Perinatal medicine.
Proceedings of the IX European Congress of perinatal medicine held in Dublin, Ireland, 1984.
Lancaster, MTP Press, 1985.
Enkin M, Keirse MJNC, Renfrew M, Neilson J, Fffective Care in P r e ~ n a n and
c ~ Childbirth, 2nd
edition, Oxford University Press, 1995.
Erkkola R, Pikkola P, Kanto J. Transcutaneous nerve stimulation for pain relief during labour:
a controlled study. Ann Chir Gvnaecol 1980; 69:273-277.
Fathalla MF. FIGO Workshop Conclusion. Int J Gvnecol Obstet 1992; 38(Suppl):S75-S77.
FIGO. Recommendations accepted by the General Assembly at the XIII World Congress of
Gynecology and Obstetrics. Int J Gvnecol Obstet 1992; 38(Suppl):S79-SSO.
\,
Flint C, Poulengeris P, Grant A. The "Know Your Midwife" scheme - a randomised trial of
continuity of care by a team of midwives. Midwiferv 1989; 5: 1 1-16.
Flowers .CE, Rudolph AJ, Desmond MM. Diazepam (Valium) as an adjunct in obstetric
analgesia. Obstet Gvnecol 1969; 34:688 1 .
Flynn AM, Kelly J, Hollins G, Lynch PF. Ambulation in labour. Br Med J 1978; 2591-593.
Fraser WD,Saúve R, Parboosingh IJ, Fung T, Sokol R, Persaud D. A randomized controlled
trial of early amniotomy. Br J Obstet Gvnaecol 1991; 98:84-9 1.
Fraser WD, Marcoux S, Moutquin JM,Christen A. Effect of early amniotomy on the risk of
dystocia in nulliparous women. N Ennl J Med 1993; 328:1145-1149.
Friedman EA. Comparative clinical evaluation of postpartum oxytocics. Am J Obstet S
&
1957,; 73:1306-1313.
Fujikura T, Klionsky B. The significance of meconium staining. Bm J Obstet G
m 1975;
121 :45-50.
Gardosi J, Sylvester S, Lynch CB. Altemative positions in the second stage of labour, a
randomized controlled trial. Br J Obstet Gvnaecol 1989a; 96: 1290-1296.
Gardosi J, Hutson N, Lynch CB. Randomised, controlled trial of squatting in the second stage
of labour. Lancet 1989b; 2:74-77.
Gilbert L, Porter W, Brown VA. Postpartum haemorrhage - a continuing problem. Brit J Obstet
a n a e c o l 1987; 94:67-7 1.
Grant A. Monitoring the fetus during labour. In: Chalmers 1 et al (eds). Eflkctive care
pregnancv and childbirth, Oxford, Oxford University Press 1989.
in
Grant J, Keirse MJNC. Prelabour rupture of the membranes at term. In: Chalmers 1 et al (eds).
. .
Effective care in Dremancv and childbtrth, Oxford, Oxford University Press 1989.
Gregory GA, Gooding CA, Phibbs RH, Tooley WH. Meconium aspiration in infants
prospective study. J P e d i a ~1974; 85:848-852.
-a
Hacker NF, Biggs JSG. Blood pressure changes when uterine stimulants are used after normal
delivery. Br J Obstet Gynaecol 1979; 86:633-636.
Hall MH, Halliwell R, Carr-Hill R. Concomitant and repeated happenings of complications of
the third stage of labour. Brit J Obstet Gvnaecol 1985; 92:732-738.
Harding JE, Elbourne DR, Prendiville WJ. Views of mothers and midwives participating in the
1989;
Bristol randomized, controlled trial of active management of the third stage of labor.
1 6: 1-6.
Harrison RF, Brennan M, North PM, Reed JV,Wickham EA. 1s routine episiotomy necessary?
Br med J 1984; 288:1971-1975.
Harrison RF, Woods T, Shore M, Mathews G, Unwin A. Pain relief in labour using
transcutaneous electncal nerve stimulation (TENS). Br J Obstet Gvnaecol 1986; 93:739-746.
Haverkamp AD, Thompson HE, McFee JG, Cetrulo C. The evaluation of continuous fetal heart
rate rnonitoring in high-risk pregnancy. Am J Obstet Gvnecol 1976; 125:310-320.
Haverkamp AD, Orleans M, Langendoerfer S, McFee J, Murphy J, Thompson HE. A
controlled trial of the differential effects of intrapartum fetal monitoring. Am J Obstet Gynecol
1979; 134:399-412.
Hemminki E, Saarikoski S. Ambulation and delayed amniotomy in the first stage of labor. Eur
J O b W Gvnecol Reprod Biol 1983; 15:129-139.
Hemminki E, Lenck M, Saarikoski S, Henriksson L. Ambulation vs oxytocin in protracted
labour: a pilot study. Eur J Obstet Gvnecol R e ~ r o dBiol 1985; 20:199-208.
Hemminki E, Virta AL, Koponen P, Malin M, Kojo-Austin H, Tuimala R A trial on
continuous human support during labor: Feasibility, intewentions and mothersf satisfaction. L
Psvchosom Obstet Gvnaecol1990; 11:239-250.
Herbst A, Ingemarsson 1. Intermittent versus continuous electronic monitoring in labour: a
randomized study. & J Obstet Gvnaecol 1994; 1O 1:663-668.
Hodnett ED, Osborn RW. A randomized trial of the effect of monitrice support during labor:
mothersf views two to four weeks postpartum.
1989a; 16:177-183.
m
Hodnett ED, Osborn RW. Effects of intrapartum professional support on childbirth outcomes.
R e s N u r s 1989b; 12:289-297.
Hofmeyr GJ, Nikodem YC, Wolman WL, Chalmers BE, Kramer T. Companionship to modify
the clinical birth environment: effects on progress and perceptions of labour, and breastfeeding.
Br
.
J1991; 98:756-764.
Hogeneil HV, Battersby A, Srdanovic V, Stjernstrom NE. Stability of essential drugs during
shipment to the tropics. Br Med J 1992; 304:210-212.
Hogeneil HV, Walker GJA, De Goeje MJ. Oxytocin more stable in tropical climates. &Ms!
-J 1994; 308:59.
House of Commons. Session 91-92. Health Committee 2nd Report. Matemitv Services.Vo1 1.
HM-SO, London, 1992. (Chair: Mr. Nicholas Winterton).
House MJ, Cario G, Jones MH. Episiotomy and the perineum: a random controlled trial. J ObsteI
a n a e c o l 1986; 7: 107-1 10.
Howard WF, McFadden PR, Keettel WC. Oxytocic drugs in fourth stage of labor. JAMA 1964;
189:411-413.
Hughes SC, Dailey PA, Partridge C. Transcutaneous electrical nerve stimulation for labor
analgesia. Anesth Analg 1988; 67:S99.
Hundley VA, Cruickshank FM, Lang GD, Glazener CMA, Milne JM, Turner M, Blyth D,
Mollison J, Donaldson C. Midwife managed delivery unit: a randomised controlled comparison
with consultant care. Br Med J 1994; 309: 1400-1404.
Ibrahim SA, Omer MIA, Amin IK, Babiker AG, Rushwan H. The role of the village midwife
in detection of high risk pregnancies and newborns. Int J Gynecol Obstet 1992; 39:117-122.
ICN. Reducine the impact of HIV/AIDS on NursifzglMidwifery -wrsonnel: euidelines for National
. .
Nurses' Associations and others, Intemational Council of Nurses. Geneva. 1996.
Jaffre Y, Prual A, Midwives in Niger: an uncomfortable position between social behaviours and
health care constraints. Soc Sci Med 1994; 38: 1069-1073.
Johnston RA, Sidall RS. 1s the usual method of preparing patients for delivery beneficial or
necessary? Am J Obstet Gynecol 1922; 4:645-650.
Johnstone FD,Abdoelmagd MS, Harouny AK. Matemal posture in second stage and fetal acidbase status. Br J Obstet Gvnaecol l987; 94:753-757.
Kantor HI, Rember R, Tabio P, Buchanon R. Value of shaving the pudendal-perineal area in
delivery preparation. Obstet Gvnecol 1965; 25509-5 12.
K a b Z,Lancet M, Dgani R, Ben-Hur H, Zalel Y. The beneficial effect of vacuum extraction on
the fetus. Acta Obstet Gvnecol Scand 1982; 61 :337-340.
Kelso IM, Parsons RJ, Lawrence GF, Arora SS, Edmonds DK, Cooke ID. An assessment of
continuous fetal heart rate monitoring in labor. Am J Obstet Gvnecol 1978; 131526-532.
Kemp J. A review of cord traction in the third stage of labour from 1963 to 1969. Med J Aust
1971; 1(17):899-903.
Klaus MH, Kennell JH, Robertson SS, Sosa R. Effects of social support during parturition on
maternal and infant morbidity. j3r Med J 1986; 293:585-587. Klein M, Papageorgiu AN, Westreich R, Spector-Dunsky L, Elkins V, Kramer MS, Gelfand
MM. Care in a birthroom vs a conventional setting: a controlled trial. Can Med Assoc 11984; 131:
1461-1466.
Knauth DG, Haloburdo EP. Effect of pushing techniques in birthing chair on length of second
stage of labor. Nurs Res 1986; 35:49-51.
Knuist M, Eskes M, Van Alten D. Uitdrijvingsduur en toestand van de pasgeborene bij door
vroedvrouwen geleide bevallingen (Duration of the second stage and condition of the neonate in
deliveries attended by midwives). Ned Ti-idschr Geneeskd 1989; 133:932-936.
Koné MB, Utilisation de I'oxvtocine dans les maternités de Bamako: resumé des résultats
d'enauete. These en pharmacie, 1994. (inédit) Bamako.
Kwast BE, Bentley J. Introducing confident midwives: Midwifery education - Action for safe
motherhood. Midwifery 1991; 7:8- 19.
Kwast BE. Midwives: key rural health workers in maternity care. Int J G~naecolObstet 1992;
38(Suppl):S9-S15.
Kwast BE. Building a community-based maternity program. Jnt J Gynecol Obstet 1995a;
48(Suppl):S67-S82.
Kwast BE. Maternity care in developing countries. In: Health matters. Public health in NorthSouth perspective, Van der Velden K et al (eds). Houten, Bohn Stafleu Van Loghum 1995b.
Lawrence GF, Brown VA, Parsons M,Cooke ID. Feto-matemal consequences of high-dose glucose infusion during labour. J Obst Gvnaecol 1982; 89:27-32.
Letslcy E. The haematological system. In: Hytten F, Chamberlain G (eds). Clinical phvsiolobstetrics. 2nd edition. Oxford, Blackwell 1991.
Liddell HS, Fisher P R The birthing chair in the second stage of labour. Aus NZ J Obstet
Siynaecol1985; 25:65-68.
Lopez-Zeno JA, Peaceman AM, Adashek JA, Socol ML. A controlled trial of a program for the
active management of labor. N Enel J Med 1992; 326:450-454.
Lucas A, Adrian TE, Aynsley-Green A, Bloom SR. Iatrogenic hyperinsulinism at birth. Lancet
1980; 1:144-145.
MacDonald D, Grant A, ~heridan-~ereira
M, Boylan P, Chalmers 1. The Dublin randomized
trial of intrapartum fetal heart monitoring. Am J Obstet Gvnecol 1985; 152:524-539.
MacMahon B. Prenatal X-ray exposure and childhood cancer. J Natl Cancer Inst 1962; 28:11731191.
MacVicar J, Dobbie G, Owen-Johnstone L, Jagger C, Hopkins M, Kennedy J. Simulated home
delivery'in hospital: a randomised controlled trial. Br J Obstet Gynaecol 1993; 100:3 16-323.
Maresh M, Choong KH, Beard RW. Delayed pushing with lumbar epidural analgesia in labour.
Br J Obstet Gvnaecol 1983; 90:623-627.
Mati JKG, Aggarwal VP, Sanghvi HCG, Lucas S, Corkhill R The Nairobi birth survey 111.
Labour and delivery. J Obst Gvn East Cent Afr 1983; 2:47-56.
. . In: Nasah BT, Mati JKG, Kasonde JM.
Mati JKG. 0
Contemporary issues in maternal health care in Africa. Luxembourg, Hanvood Academic
Publishers 1994.
Matthews CD, Martin MR. Early detection of meconium-stained liquor during labor: A
contribution to fetal care. Am J Obstet Gynecol 1974; 120:808-811.
Mbizvo MT, Fawcus S, Lindmark G, Nystrom L, and the Maternal Mortality Study Group.
Operational factors of maternal mortality in Zimbabwe. Health Pol and Plann 1993; 8(4):369-378.
McAllister CB. Placental transfer and neonatal effects of diazepam when administered to women
just before delivery. Br J Anaesth 1980; 52:423-427. -
McCandlish R. National Perinatal Epidiology Unit, Oxford, 1996, Personal Communication.
McCarthy GT, OIConnellB, Robinson AE. Blood levels of diazepam in infants of two mothers
given large doses of diazepam during labour. J Obstet Gvnaecol Br Commnwltb 1973; 80:349-352.
McGinty LB. A study of the vasopressor effects of oxytocics when used intravenously in the third
stage of labour. West J Sure 1956; 64:22-28.
Mckay S, Mahan C. ModiSing the stomach contents of labour<ngwomen: why, how, with what
success, and at what risks? How can aspiration of vomitus in obstetrics best be prevented?
1988; 15(4):2 13-221.
McManus TJ, Calder M. Upright posture and the efficiency of labour. Lancef 1978; 1:72-74.
McQueen J, Mylrea L. Lumbar epidurai analgesia in labour. Br Med J 1977; 1:640-641.
Meis PJ, Hall M, Marshall JR, Hobel CJ. Meconium passage: a new classification for risk
m 1978; 131509-5 13.
assessment during labor. Am J Obstet G
Melzack R, Belanger E, Lacroix R Labor pain, effect of maternal position on front and back
pain. J Pain svmptom Manegem 1991;6:476-480.
Menticoglou SM, Manning F, Harman C, Morrison 1. Perinatal outcome in relation to secondstage duration. Am J Obstet G~necol1995; 173:906-912.
Michaelsen KF, Milman N, Samuelson G. A longitudinal study of iron status in healthy Danish
infants: effects of early iron status, growth velocityand dietary factors. Acta PaediaQ 1995;
84:1035-1044.
Morgan BM, Bulpitt CJ, Clifton P, Lewis PJ. Analgesia and satisfaction in childbirth (the Queen
Charlotte's 1000 mother survey). Lancd 1982; 2:808-8 10.
Murphy K, Grieg V, Garcia J, Grant A. Materna1 considerations in the use of pelvic
examinations in labour. Midwiferv 1986; 2:93-97.
Nasah BT, Tyndall M.
vroblems of maternitv care in urban settin~s.In: Nasah BT, Mati
JKG, Kasonde JM (eds). Contemporary issues in maternal health care in Africa. Luxembourg,
Hanvood Academic Publishers 1994.
Neldam S, Osler M, Hansen PK, Nim J, Smith SF, Hertel J. Intrapartum fetal heart rate
monitoring in a combined low- and high-risk population: a controlled clinical trial. Eur J Obstet
Gynecol Revrod Biol 1986; 23 :1- 11.
Nelson NM, Enkin MW, Saigal S, Bennett KJ, Milner R, Sackett DL. A randomized clinical
trial of the Leboyer approach to childbirth. New Engl J Med 1980; 302:655-660.
Nesheim B. The use of transcutaneous nerve stimulation for pain relief during labour: a controlled
clinical study. Acta Obstet Gvnecol Scand 1981;60: 13-16.
Newton M, Mosey LM, Egli GE, Gifford WB, Hull CT. Blood loss during and immediately after
delivery. Obstet G~necol1961; 17:9- 18.
Newton M. Postpartum hemorrhage. Am J Obstet Gvnecol 1966; 94:711-717.
Nielsen PV, Stigsby B, Nickelson C, Nim J. Intra- and interobserver variability in the assessmerit
of intrapartum cardiotocograms. Acta Obstet Gvnecol Scand 1987; 66:42 1-424.
O'Driscoll K, Stronge JM, Minogue M. Active management of labour. Br Med J 1973; 3:135137.
OIDriscollK, Meagher D. Active rnanaeement of labour: the Dublin ex~erience.2nd ed. Bailliere
Tindall, London 1986.
O'Heir J, From Kobe to Oslo; the WHO Midwifery Education Modules. Proceedings of the 24th
Qiennial International Confederation of Midwives Congress, ICM, Oslo 1996, pp. 520-522.
Okafor CB, Rizzuto R . Women's and health-care providers' Views of maternal practices and
services in rural Nigeria. Studies Fam Plann 1994; 25:353-361.
Onwudiegwu U. The effect of a depressed economy on the utilisation of maternal health services:
the Nigerian experience. J Obstet Gvnaec 1993; 13:3 11-3 14.
Ottervanger HP, Keirse MJNC, Smit W, Holm JP. Controlled cornparison of induction versus
expectant care for prelabor rupture of the membranes at term. ,!Perinat Med 1996 (in press).
Paolisso M, Leslie J. Meeting the changing health needs of women in developing countries. Ssc
Sci Med 1995; 40:55-65.
Parnell C, Langhoff-Roos J, Iversen R, Damgaard P. Pushing rnethod in the expulsive phase
of labor. Acta Obstet Gvnecol Scand 1993; 72:3 1-35.
Parsons MT, Spellacy WN. Prospective randomized study of X-ray pelvimetry in the
primigravida. Obstet Gvnecol 1985; 66:76-79.
Pel M, Heres MHB. Obint.
Thesis, University of Amsterdam,
1995.
Pel M, Heres MHB, Hart AAM, Van der Veen F, Treffers PE. Provider-associated factors in
obstetric inte~entions.Eur J Obstet Gvnecol Reprod Biob 1995; 6 1:129-134.
Peters MH. Midwives and the achievement of safer motherhood. Int J Gvnecol Obstet 1995;
5O(Supp1.2):S89-S92.
Philipsen T, Jensen NH. Epidural block or parenteral pethidine as analgesic in labour; a
randomised study concerning progress in labour and instrumental deliveries. Eur J Obstet Gvnecol
R e ~ r o dBiol 1989; 30:27-33.
Philipsen T, Jensen NH. Maternal opinion about analgesia in labour and delivery. A comparison
of epidural blockade and intrarnuscular pethidine. Eur J Obstet Gvnecol Reprod Biol 1990; 34;205210.
Philpott RH, Castle WM. Cervicographs in the management of labour in primigravidae. J Obstet
Gynaecol Br Commnwlth 1972; 79592-598, 599-602.
,r
Pisacase A. Neonatal prevention of iron deficiency. Placental transfusion is a cheap and
physiological solution. Br Med J 1996; 3 12: 136- 137.
Prendiville WJ, Harding JE,Elbourne DR, Stirrat GM. The Bristol third stage trial: active vs
physiological management of third stage of labour. Br Med J 1988; 297: 1295- 1300.
Prendiville W, Elbourne D. Care during the third stage of labour. In: Chalmers 1 et al (eds).
Effective care in vregnancy and childbirth. Oxford, Oxford University Press 1989.
Pritchard JA Baldwin RM,Dickey JC,Wiggins KM. BIood volume changes in pregnancy and
the puerperium. Am J Obstet Gynecol 1962; 84: 1271.
m
Radford N and Thompson A.
Department of Health and Social Services. HMSO. 1987.
Read JA, Miller FC, Paul RH. Randomized trial of ambulation vs oxytocin for labor
enhancement: a preliminary report. Am J Obstet Gynecol 1981; 139:669-672.
Roberts RB,Shirley MA. The obstetrician's role in reducing the risk of aspiration pneumonitis.
W ith particular referente to the use o€oral antacids. Am J Obstet Gvnaecol 1976; 124:6 1 1-617.
Robinson JO, Rosen M, Evans JM, Revill SI, David H, Rees GAD. Maternal opinion about
analgesia fo; labour. A controlled trial between epidural block and intramuscular pethidine
combined with inhalation. Anaesthesiq 1980; 35: 1 173-1 18 1.
Romney ML, Gordon H. 1s your enema really necessary? Br Med J 1981;282: 1269- 127 l .
Rooks JP, Weatherby NL, Emst EKM, Stapleton S, Rosen D, Rosenfield A. Outcomes of care
in birth centers: the National Birth Center Study. N Engl J Me4 1989; 32 1:1804- 18 11.
Rooney C. Antenatal care and maternal health: How effective is it? A review of the evidence.
Geneva, World Health Organization 1992.
Rooney 1, Hughes P, Calder M. 1s routine administration of syntometrine still justified in the
management of the third stage of labour? Health Bull 1985; 43:99-101.
Rowley MJ, Hensley MJ, Brinsmead MW, Wlodarczyk JH. Continuity of care by a midwife
team versus routine care during pregnancy and birth: a randomised trial. Med J Australia 1995;
163:289-293.
Rutter N, Spencer A, Mann N, Smith M. Glucose during labour. Lancet 1980; 2:155.
Schutte MF, Treffers PE, Kioosterman GJ, Soepmati S. Management of premature rupture of
the membranes: the risk ofvaginal examination to the infant. Am J Obstet Gynecol 1983; 146:395400.
Schwarcz RL, Althabe O, Belitzky R, Lanchares JL, Alvarez R, Berdaguer P, Capurro H,
Belizán JM, Sabatino JH, Abusleme C, Caldeiro-Barcia R. Fetal heart rate patterns in labors
with intact and with ruptured membranes. J Perinat Med 1973; 1 :153-165.
Schwarcz RL,Diaz AG, Nieto F. Partograma con curvas de alerta; guia par la vigilancia del parto.
Salud perinatal. Boletin del Centro Latinoamericano de Perinatologia y Desarrollo Humano
(CLAP) Organizacion Panamericana de la Salud- Organizacion Mundial de la Salud, 1987;
2(8);93-96.
Schwarcz RL, Diaz AG, Fescina RH, Belitzky R, Rossello JLD. Low-risk yegnancv and
deliverv. Guidelines for the management of antenatal care. labor and deliverv. Latin American
Center for Perinatology and Human Development. CLAP Scientific Publication No 1321.02.
Montevideo, Pan American Health Organization - World Health Organization 1995.
Senden IPM, Wetering MD, Eskes TKAB,Bierkens PB, Laube DW, Pitkin RM. Labor pain:
A comparison of parturients in a Dutch and an American teaching hospital. Obstet Gynecol 1988;
71 541-544.
Simkin P. Non-pharmacological methods of pain relief during labour. In: Chalmers 1 et al (eds).
Effective care in DrePnancv and childbirth, Oxford, Oxford University Press 1989.
Sleep J, Grant AM, Garcia J, Elbourne DR, Spencer JAD, Chalmers 1. West Berkshire
perineal management trial. Br
1984; 289:587-590.
Sleep J, Grant AM. West Berkshire perineal management trial: three year follow up. Br Med J
1987; 295:749-75 1.
Sleep J, Roberts J, Chalmers 1. Care during the second stage of labour. In: Chalmers 1 et al (eds).
Effective care in Drepnancv and childbirth. Oxford, Oxford University Press 1989.
Smith DG. Safe Motherhood: listening to women. Tropical Doctor 1993; 23: 1-2.
Spears RL,Anderson GV, Brotman S, Farrier J, Kwan J, Masto A, Perrin L, Stebbins R The
effect of early versus late cord clamping on signs of respiratory distress. ,4m J Obstet Gvnecol
1966; 95:564-568.
Stewart A, Webb J, Giles D, Hewitt D. Malignant disease in childhood and diagnostic irradiation
in utero. J ,ancet 1956; ii:447.
Stewart P, Hillan E, Calder AA. Upripet i'usture and the eficiency of labour. Lancet 1978; i:7274.
Stewart P, Spiby H. A randomized study of the sitting position for delivery using a newly
designed obstetric chair. Br J Obstet Gynaecol 1989; 96:327-333.
Swanstrom S, Bratteby LE. Metabolic effects of obstetric regional analgesia and of asphyxia in
the newborn infant during the first two hours after birth. Acta Paed Scand 1981; 70:791-800.
Tarnow,-MordiWO, Shaw JCL, Liu D, Gardner DA, FIynn FV. Iatrogenic hyponatraemia of
the newbom due to maternal fluid overload; a prospective study. Br Med J 1981 ; 283:639-642.
Taylor G, Pryse-Davies J. The prophylactic use of antacids in the prevention of the acidpulmonary-aspiration syndrome (Mendelson's syndrome). Lancet 1966; 1 :288-29 1.
Tettambel MA. Preoperative use of antacids to prevent Mendelson's syndrome in caesarean
section, a pilot study. J Am Osteovath Assoc 1983; 82:858-860.
Thacker SB, Banta HD. Benefits and risks of episiotomy: an interpretative review of the English
language literature,
1860-1980. Obstet Gynecol SUN 1983; 38:322-338.
Thilaganathan B, Cutner A, Latimer J, Beard R Management of the third stage of labour in
women at low risk of postpartum haemorrhage. Eur J Obstet Gynecol Reprod Biol 1993; 48:19-22.
Thomas IL, Tyle V, Webster J, Neilson A. An evaluation of transcutaneous electrical nerve
stimulation for pain relief in labour. Aust NZ J Obstet G~naecol1988; 28: 182-189.
Thomson AM. Pushing techniques in the second stage of labour. J Adv Nurs 1993; 18: 171- 177.
Thornton S, Davison JM, Baylis PH. Plasma oxytocin during third stage of labour: comparison
of natural and active management. Br Med J 1988; 297: 167-169.
Thorp JA, Hu DH, Albin RM, McNitt J, Meyer BA, Cohen GR, Yeast JD. The effect of
intrapartum epidural analgesia on nulliparous labor: a randomized, controlled, prospective trial.
Am J Obstet Gynecol 1993; 169:85 1-858.
Treffers PE, Laan R Regional perinatal mortality and regional hospitalization at delivery in The
Netherlands. Br J Obstet Gvnaecol1986; 93:690-693.
Treffers PE, Eskes M, Kleiverda G, Van Alten D. Home births and minimal medical
intewentions. JAMA 1990; 264:2203-2208.
Treffers PE. Selection as the basis of obstetric care in the NetherlanBs, In: Abraham-Van der Mark
E (ed). Successful home birth and midwifery. The Dutch model. Westport, Connecticut, Bergin and
Garvey 1993.
Treffers PE. Obstetric care in developed countries: the case of the Netherlands. In: Health matters,
Public health in North-South ~erspective.Van der Velden K et al (eds). Houten, Bohn Stafleu Van
Loghum 1995.
Van Alten D, Eskes M, Treffers PE. Midwifery in the Netherlands; the Wormerveer study:
selection, mode of delivery, perinatal mortality and infant morbidity. Br 3 Obstet Gvnaecol 1989;
96:656-662.
Van Geijn HP. Fetal monitoring - present and future: the evaluation of fetal heart rate patterns.
Eur J Obstet Gvnecol Reprod Biol 1987; 24: 117-1 19.
Waldenstrom U, Gottvall K. A randomized trial of birthing stool or conventional semirecumbent
1991; 18: 15-10.
position for second-stage labour.
Waldenstrom U, Nilsson CA. Women's satisfaction with birth center care: a randomised,
controlled study. Birth 1993; 20:3-13.
Waldenstrom U, Nilsson CA. Experience of childbirth in birth center care. A randomized
controlled study. Acta Obstet Gvnecol Scand 1994; 73547-554.
-
-
-
Systematic narcotics for analgesia in labour. Review 03398
Diazepam in labour. Review 03401
Methoxyflurane vs nitrous oxideloxygen for analgesia in labour. Review 0 3 4 ~ 0
Epidural vs non-epidural analgesia in labour. Review 03399
Nikodem C
-
Upright vs recurnbent position durng first stage of labour. Review 03334
Upright vs recumbent position for secand stage of labour. Review 03335
Birth chair vs recumbent position for second stage of labour. Review 04735
Lateral tilt vs dorsal position for second stage of labour. Review 03402
Sustained (Valsalva) vs exhalatory bearing down in second stage of labour. Review
03336
Renfrew MJ
-
Routine perineal shaving on adrnission in labour. Review 03876
Liberal use of episiotomy for spontaneous vagina1 delivery. Review 03695
Renfrew MJ, Hay-Smith J
Routine enema on admission in labour. Review 03877
Sinclair JC
-
Intubation and suction in vigorous rneconium-stained babies. Review 05946
Special acknowledgment is made to the following publications to which frequent referente is
made:
Chalmers 1, Enkin M, Keirse MJNC (eds). Effective care in vregnancy and childbirth. Oxford,
Oxford University Press 1989.
Enkin M, Keirse MJNC, Renfrew MJ, Neilson J. A Guide to Effective care in wregnancv and
childbirth, 2nd ed. Oxford, Oxford University Press 1995.
8.
LIST OF PARTICIPANTS
Dr Yusuf Ahmed, Senior Lecturer, Department of Obstetrics and Gynaecology, University
Teaching Hospital, P. O. Box 50001, Lusaka, Zambia
Dr Raj Baveja, Honorary Medical Superintendent, Kamala Nehru Memorial Hospital, Allahabad,
India
Ms Frances Foord, Dunn Nutrition Group (Keneba), MRC Laboratories, Fajara, Nr Banjul,
P.O. Box 273, The Gambia
Dr Ricardo Gonzales, Dr Jose Fabella Memorial Hospital, Lope de Vega St.
Sta Cruz, Manila, The Philippines
Mrs Stella Mpanda, Lecturer, Faculty of Nursing, P. O. Box 65004, Dar Es Salaam, Tanzania
Ms Azizah Musbah, Principal Nurse Midwife Tutor, School of Midwifery, Hospital Kuala Lumpur,
Jala Pahang, 50586 Kuala Lumpur, Malaysia
Dr Philip N. Mwalali, MSCI Chief Technical Adviser, Family Health Division, Ministry of Health
and Social Welfare, Maseru, Lesotho
Miss Margaret Peters, Director, International Confederation of Midwives, Royal Women's
Hospital, 132 Grattan Street, Carlton 3053, Victoria, Australia
Dr Ezzat H. Sayed, Professor of Obstetrics and Gynaecology, Faculty of Medicine, Assiut
University, P. O. Box 174, Assiut, Egypt
Dr Ricardo Schwarcz, Director, Center for Perinatology and Human Development (CLAP),
Hospital de Clinicas, Casilia de Correo 627, Piso 16, 11000 Montevideo, Uruguay
Ms Delia S. Veraguas Segura, Avenida Gomez Carreño, 3443, V Sector, DTO 4, Viña del Mar,
Chile
Professor Ulla Waldenstrom, La Trobe University, RWH Campus, Royal Women's Hospital,
Kathleen Syme Education Centre, 132 Grattan Street, Carlton 3053, Victoria, Australia
OBSERVERS
Ms Jeanne McDermott, MotherCare Project, John Snow Incorporated, 1616 N. Fort Myer Drive,
Suite 1 100, Arlington, Virginia 22209, United States of America
Ms Susan F. Murray, Senior Lecturer, Institute of Child Health, 30 Guildford Street, London
WCIN IEH, United Kingdom
SECRETARIAT
Dr Susan Holck, Director, Reproductive Health
Mrs Carla AbouZahr, Maternal Health and Safe Motherhood
Dr Agostino Borra, Maternal Health and Safe Motherhood Programme
Ms Karen Christiani, Maternal Health and Safe Motherhood ProgrammeMuman Resources for
Health
Dr Richard Guidotti, Maternal Health and Safe Motherhood Programme
Dr Suman Mehta, Maternal Health and Safe Motherhood Programme
Sister Anne Thompson, Maternal Health and Safe Motherhood Programme
Dr José Villar, Special Programme of Research, Development and Research Training in Human
Reproduction
Dr Jelka Zupan, Maternal Health and Newborn Care
Mrs Petra ten Hoope-Bender, Temporary Adviser, Jac Van Vessemsingel37,3065 NH Rotterdam,
The Netherlands
Professor Pieter Eric Treffers, Temporary Adviser, Henriette Bosmansstraat 4, 1077 XH
Amsterdam, The Netherlands
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