The moment the egg and sperm unite

• fertilization

• pregnancy

• birth

• labor

How are identical twins formed?

• two eggs are fertilized

• Identical twins can't happen

• one egg splits into two

How many months is a typical pregnancy?

• 8

• 6

• 9

• 10

What chromosomes make a girl?

• XY

• XX

• XZ

• YZ

What is one of the first signs of pregnancy?

• being hungry

• sleeping more

• bigger belly

• missed period

How far does the cervix dilate?

• 10 cm

• 8 cm

• 9 in

• 10 in

How long is the umbilical cord?

• 5 in

• 8 in

• 12 in

• 14 in

what the baby is called from 8 weeks until birth

• embryo

• fetus

• baby

• infant

How many trimesters are there during pregnancy?

• 1

• 2

• 3

• 4

The time from when a woman's water breaks until the delivery of a child is called?

• fetus

• pregnancy

• birth

• labor