chapter 4

1. Tube / connects the ovary to the uterus
4. / about every 28 days when an ovum is released by one of the women's to ovaries
5. / an egg cell
8. twins / If the cell mass decided to split in half and then divide, this would cause two embryos resulting in
10. / when sperm reaches the fallopian tubes,it may penetrate and fertilize the ovum
12. / The inability to become pregnant. More and more common nowadays. There are some medications that can help for both men and women but are not always 100%effective.
13. births / The amount of children a woman will give birth to at one time is determined through conception or soon after.
14. transfer / similar to in vitro, except the ovum has been donated by another women
16. / a male cell

2. Insemination / A doctor injects sperm into a woman's uterus during ovulation
3. mother / a woman who becomes pregnant to have a baby for another woman. This requires legal arrangements to be made.
6. Sac / a sac that fills with fluid and surrounds the embryo. This amniotic fluid protects the baby. It cushions the embryo from all bumps or falls the mother may have.
7. / Sometimes in pregnancy the baby does not develop normally which can cause the baby to die.
9. / The organ in a women's body in which a baby develops during pregnancy
11. fertilization / Doctor takes a mature ovum from the woman and sperm from the man. If the ovum becomes fertilized the doctor inserts it into the women's uterus with hopes the zygote with attached itself.
15. / is what the developing baby is called from about the third week of pregnancy to the eight weeks of pregnancy.