2.01 vocab

3. labor: occurs when regular contractions result in the opening of the cervix after week 20 and before week 37 of pregnancy, potentially leading to premature birth; the earlier the occurrence of premature birth, the greater the health risks for the baby
5. a condition in pregnancy characterized by high blood pressure, sometimes with fluid retention and proteinuria
6. sickness: nausea and vomiting during pregnancy; potentially occurring at any time of day and common during the first trimester
7. the process in which a mature egg is released from the ovary
10. when a fetus dies after the mother's 20th week of pregnancy, when the baby may have died in the uterus weeks or hours before labor
11. a type of cell that receives and sends message for the body to the brain and back to the body
14. tube: a hollow structure from which the brain and spinal cord form; defects in its development can result in congenital abnormalities such as spina bifida

1. prenatal test: testing that can identify whether a baby is more or less likely to have certain birth defects, many of which are genetic disorders
2. a single cell released from the female reproductive organ (ovaries), which is capable of developing into a new organism when fertilized with a sperm cell
4. the spontaneous loss of a woman's pregnancy before the 20th week that can be both physically and emotionally painful
5. previa: a condition in which the placenta partially or wholly blocks the neck of the uterus, thus interfering with the normal delivery of a baby
8. the female reproductive organ in which eggs are produced
9. one of the three divisions of three months each during pregnancy, in which different phases of fetal development take place
12. development: the process of growth and development within the womb from fertilization to delivery
13. the organ that develops/attaches in a woman’s uterus during pregnancy, provides oxygen and nutrients to the growing baby, and removes waste products from baby’s blood