Prenatal Development

When is the embryonic stage?

• 0-2 weeks

• 3-8 weeks

• 9 weeks - birth

• 8-12 weeks

When is the germinal stage?

• 0-2 weeks

• 3-8 weeks

• 9 weeks - birth

• 8 - 12 weeks

When is the fetal stage?

• 0-2 weeks

• 3-8 weeks

• 9 weeks - birth

• 8-12 weeks

When does lightening usually occur?

• about 8 weeks

• about 15 weeks

• about 30 weeks

• about 40 weeks

What happens if an ovum reaches the uterus without being fertilized?

• Menstruation occurs

• A stillbirth occurs

• The woman becomes pregnant

• The egg implants in the uterine wall

What is true about the placenta?

• It allows the egg to travel from the ovary to the uterus

• It is expelled when a woman menstruates

• It determines the baby's genetic traits

• It connects the developing baby to the uterus

When a sperm has fertilized an egg, what is that called?

• Conception

• Prenatal development

• Preeclampsia

• Menstruation

The zygote is formed in what stage of pregnancy?

• Germinal

• Embryonic

• Fetal

• Last stage

How many chromosomes does every baby have?

• 23

• 46

• 12

• 24

Female egg cell

• Sperm
• Ovum
• Uterus