Prenatal Development

5. The fluid-filled sac that contains and protects a fetus in the womb.
9. A baby's development that occurs in trimesters.
11. Organ in which the baby develops and is protected until birth.
12. Two hollow tubes that extend from the left and right sides of the uterus.
13. The baby's movements that can be felt by the mother.
17. A hollow ball of cells with a cluster of cells inside known as the inner cell mass
18. Egg which released from the ovary
19. Fertilized egg
22. 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.
24. growth process from conception to birth
25. Outermost membrane that surrounds the baby in the uterus.

1. A collection of thick mucus in the cervix that prevents bacteria from entering the uterus
2. Stage of prenatal development that begins nine weeks after conception.
3. Organ filled with blood vessels that nourishes the fetus. It develops inside the wall of the uterus.
4. Time from when a baby can survive if born early.
6. Time from when a baby can survive if born early.
7. The period of prenatal development that lasts from the ninth week until birth
8. Reproductive glands of the male
10. A baby in the second stage of prenatal development.
14. The process in which the blastocyst attaches to the wall of the uterus
15. A tube containing the blood vessels connecting the fetus and placenta.
16. Female reproductive glands which store the eggs or ova.
20. Joining of sperm and egg
21. A baby in the fetal stage of prenatal development.
23. Male reproductive cell.
25. The opening to the uterus