In the Womb: Multiples
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Name: ______Hour: ______
In the Womb: Multiples
1. According to the video, only 1 in ______million pregnancies will result
in identical quads.
2. How many million sperm are released by a health male? ______
3. How long before the egg divides for the first time? ______
4. What day does the egg attach itself to the uterine wall? ______
5. If the egg hasn’t split within ______days of conception, it never will.
6. Can identical twins ever be of opposite sexes? ______
7. ______twins are twins that come from 2 different eggs and
sperm.
8. By day ______nerve cells begin forming.
9. By day 22 the heart begins ______.
10. How many times in a lifetime will the heart beat? ______
11. For every 400 sets of twins, one set will have different ______.
12. What is the record number of fetuses in one uterus? ______
13. How many survived that pregnancy? ______
14. At 9 weeks the fetuses heart beats ______times per minute.
15. Sometime between weeks 10-14 most women will have their first
______.
16. Vanishing Twin Syndrome is when ______.
17. Scientists believe this happens with one in ______pregnancies.
18. Scientists think that ______handed people are the surviving
twin of a vanishing twin pregnancy.
19. Which sex tends to move first in the womb? ______
20.Can the fetus taste what the mom eats? ______