| A | B |
|---|
| ovulation | when the mature egg leaves an ovary |
| menstruation | the monthly process by which the unfertilized egg and the lining of the uterus leaves the body |
| 72 hours | how long sperm cells can live |
| fallopian tube | the place where fertilization occurs |
| uterus | the place that a developing baby grows; also called the womb |
| vagina | the birth canal |
| 12-24 hours | how long an egg cell lives after ovulation |
| amniotic fluid | the fluid in the uterus that surrounds and protects the baby |
| umbilical cord | connects the baby to the placenta |
| 36-40 weeks | the usual length of a full term pregnancy |
| fertilization | when the egg cell and sperm cell join |
| ovaries | the glands that store and release the egg cells |
| embryo | the term used for the fertilized egg up until the 8th week of development |
| fetus | the term used for the developing baby from the end of the 8th week to birth |
| zygote | another name for a newly fertilized egg |
