Unit 3- Prenatal Development Study Guide
• Fertilized egg.
• Occurs when baby moves into the pelvis.
• Name for baby during 2nd trimester.
• Gene that determines if the trait is expressed.
• 1 fertilized egg splits into 2 embryos.
Unit 3- Prenatal Development Study Guide
• Female Cell
• Moment when the sperm fertilizes the ovum.
• Thousands make up 1 chromosome
• More than 1 egg is fertilized.
• Inability to have children.
Unit 3- Prenatal Development Study Guide
• Options/ Solutions for Infertility
• What is determined by your genes?
• Prenatal Test & Risks
• Miscarriage
• Stillbirth
• Purpose of the Umbilical Chord
Unit 3- Prenatal Development Study Guide
• Causes for birth defects
• What happens to unfertilized eggs?
• Role of Amniotic Fluid
• Male / Female Baby
• Organ where the baby grows and develops
• What determines the sex of the baby?
Unit 3- Prenatal Development Study Guide
• What happens during 1st trimester- period of
the zygote?
• What happens during 2nd trimester- period of
the embryo?
• What happens during 3rd trimester- period of
the fetus?
Unit 3- Prenatal Development Study Guide
• Describe 2 lifestyle changes that a pregnant
woman may have to make to help her
developing baby and identify why these
changes would be important.