Prenatal Development

2. The opening to the uterus
5. Time from when a baby can survive if born early.
7. Male reproductive cell.
10. A baby in the second stage of prenatal development.
11. A baby in the fetal stage of prenatal development.
13. The stage of prenatal development from approximately the third through the eighth week after conception, during which the basic forms of all body structures, including internal organs develop.
14. Joining of sperm and egg
15. Two hollow tubes that extend from the left and right sides of the uterus.
19. Organ filled with blood vessels that nourishes the fetus. It develops inside the wall of the uterus.
21. Time from when a baby can survive if born early.
22. A collection of thick mucus in the cervix that prevents bacteria from entering the uterus
25. A baby's development that occurs in trimesters.

1. Female reproductive glands which store the eggs or ova.
3. The process in which the blastocyst attaches to the wall of the uterus
4. Outermost membrane that surrounds the baby in the uterus.
6. A hollow ball of cells with a cluster of cells inside known as the inner cell mass
8. growth process from conception to birth
9. A tube containing the blood vessels connecting the fetus and placenta.
12. The period of prenatal development that lasts from the ninth week until birth
16. The baby's movements that can be felt by the mother.
17. Stage of prenatal development that begins nine weeks after conception.
18. Fertilized egg
20. Egg which released from the ovary
21. The fluid-filled sac that contains and protects a fetus in the womb.
23. Organ in which the baby develops and is protected until birth.
24. Reproductive glands of the male