Female Anatomy The Vulva A female’s external genitals, which include: the mons veneris – a triangular mound of tissue located over the pubic bone, covered with pubic hair, and loaded with nerve endings the labia majora – the outer lips the labia minora – the inner lips The Clitoris Analogous to the male penis Covered by the clitoral hood Fills with blood once aroused Extremely sensitive – orgasmic Exists to give sexual pleasure, nothing else The hymen – tissue which covers the vaginal opening Intact at marriage? – in some societies a matter of great concern The perineum – an area of smooth skin located between the vagina and the anus The Vagina A stretchable canal opening at the vulva and extending into the pelvis A glove-like “potential” space Three layers of tissue – all flush with blood vessels Vaginal layers 1) 2) 3) the mucosa – moist tissue, mucous membrane Muscle tissue – concentrated around the opening Fibrous tissue Lubrication Essential, easily overlooked, vulnerable to disruption by medications Should occur within 10-30 seconds of arousal Caused by vasocongestion – the engorgement of blood vessels from sexual arousal Why so important? Alkalinizes the vagina so that sperm can survive Also increases sexual enjoyment Otherwise - pain The Mysterious “G Spot” A system of glands and ducts located in the front wall of the vagina The female equivalent to the male prostate gland? Some women report exquisite sensitivity when stimulated: Arousal, orgasm, even ejaculation Others do not Vaginal Health Concerns Urinary Tract Infections Common and potentially dangerous Symptoms: increased need to urinate burning sensation when urinating blood or pus in urine lower pelvic pain Diagnosis – urinalysis Best treated with antibiotics Cause? 1) bacteria entering through urethra usually through coitus 2) poor hygiene Must be wiped from front to back Prevention Washing thoroughly every day Changing positions for coitus Drinking lots of liquids, especially cranberry juice Vaginitis An inflammation of the vaginal walls, usually caused by yeast or bacterial infection Symptoms: itching or irritation strange discharge sometimes an unpleasant odor Contributing Factors Diabetes Antibiotics Increased stress levels Hormone changes Coitus without sufficient lubrication Panty hose – three times more infections retain heat and moisture Prevention of Vaginitis Essential to treat and cure due to increased risk of cancer Well balanced diet Enough sleep, exercise Proper hygiene – washing, wiping, cotton – as compared to panty hose Avoiding feminine hygiene sprays Adequate lubrication The Breasts Secondary sexual characteristics Composed of fatty tissue and the mammary (milk) gland Budding is the first sign of oncoming puberty Great variation with regard to sexual stimulation Size Size depends on abundance of fatty tissue, not the mammary gland – every woman can produce plenty of milk Considerable variation in size, even on the same woman Also, menstruation, pregnancy, nursing, etc. influence Breast Cancer Mammography – an x-ray test to detect cancer Can detect years before other methods Significant decrease in mortality with early detection Still quite imprecise – occasional misses and false positives Some have a genetic marker which allows for early preventative measures In 1998 an antiestrogen medication called tamoxifen was discovered which can help prevent breast cancer Unfortunately, its use can cause significant sideeffects Breast Lumps Usually cysts or fibroadenomas (solid, rounded tumors) and benign But some are malignant tumors 11% of American women affected 190,000 diagnosed/year 40,000 die/year risk increases with age Risk Factors Menstruation before 12 No or late pregnancies Never breast fed Late onset of menopause Obesity/lack of exercise, heavy-fat diet Family history Heavy alcohol use But 80% have NO risk factors