Pregnancy

3. A special organ formed during pregnancy that functions as the interchange between the developing baby and its mother.
6. A hollow ball of cells that implants itself in the uterus; name for a developing baby from after the zygote stage until the embryo stage.
10. The natural ending of a pregnancy before the fifth month; spontaneous abortion.
13. A complication of pregnancy that affects a woman's kidneys, heart, or blood circulation.
16. A three-month period.
18. A flexible cord that contains blood vessels and connects the placenta to the developing baby.

1. A number of infections and conditions that are passed from one person to another through
2. The natural ending of a pregnancy after the fifth month; spontaneous abortion.
4. Single-celled organism that is formed when the separate nuclei of sperm and egg combine into one nucleus.
5. Fluid inside the amnio-chorionic membrane that regulates the baby's temperature, cushions the baby against injury, and allows the baby to move around easily.
7. A disease that breaks down the immune system leaving the body vulnerable to diseases that a healthy body could easily resist. Often transmitted sexually.
8. Name for the developing baby from the second to the eighth weeks of pregnancy.
9. All the development that occurs between conception and birth.
11. The name for a developing baby from the ninth week of pregnancy until birth.
12. A virus that causes the disease AIDS. It is often transmitted sexually and has no cure.
14. A disorder that can complicate pregnancy. It occurs when an Rh-mother gives birth to a baby who is Rh+.
15. The union of a sperm and egg cell.
17. A virus that can complicate pregnancy, causing miscarriage, stillbirth, or congenital disorders; also called German Measles.