Human reproduction, labor and delivery

True or False: An egg cell is about five times larger than a sperm cell
True
False
True or False: Just ONE sperm cell will enter an egg
True
False
What is stage zero?
Fertilization
Ovulation
Zygote
I have literally no idea
Within 12 hours a fertilized egg:
Decides to be a boy or a girl
Kills off extra sperm cells
Becomes a zygote
Amniotic sac is a:
Bag of water
gel covering
Temporary link between baby to endometrium nutrients
True or False: After 8 weeks the embryo is considered a fetus.
True
False
What is the longest stage of labor?
Stage 1
Stage 2
Stage 3
What does the hormone "prolactin" accomplish?
Pain hormone that causes contractions to begin
Milk production
Decides the babies gender
Which is female?
xx
y
True or False: Twins happen in 1/90 births.
True
False
0
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