Prenatal Development

3. 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.
4. The fluid-filled sac that contains and protects a fetus in the womb.
8. A baby in the fetal stage of prenatal development.
9. A tube containing the blood vessels connecting the fetus and placenta.
11. A baby's development that occurs in trimesters.
12. Organ filled with blood vessels that nourishes the fetus. It develops inside the wall of the uterus.
16. Organ in which the baby develops and is protected until birth.
18. Stage of prenatal development that begins nine weeks after conception.
19. Female reproductive glands which store the eggs or ova.
20. A hollow ball of cells with a cluster of cells inside known as the inner cell mass
22. growth process from conception to birth
24. The baby's movements that can be felt by the mother.

1. Joining of sperm and egg
2. Time from when a baby can survive if born early.
5. The process in which the blastocyst attaches to the wall of the uterus
6. The period of prenatal development that lasts from the ninth week until birth
7. A collection of thick mucus in the cervix that prevents bacteria from entering the uterus
8. Two hollow tubes that extend from the left and right sides of the uterus.
10. The opening to the uterus
13. Reproductive glands of the male
14. Fertilized egg
15. A baby in the second stage of prenatal development.
17. Male reproductive cell.
21. Outermost membrane that surrounds the baby in the uterus.
23. Egg which released from the ovary