| A | B |
|---|
| Ovum | the female reproductive cell or gamete |
| Uterus | the womb the enlarged, muscular, expandable portion of the oviduct |
| Fallopian tube | one of a pair of long, slender ducts in the female abdomen that transport ova from the ovary to the uterus |
| Sperm | a male reproductive cell |
| Conception | fertilization; inception of pregnancy |
| Prenatal development | the process in which an embryo or fetus (or foetus) gestates during pregnancy, from fertilization until birth |
| Zygote | a fertilized female egg |
| Embryo | a multicellular diploid eukaryote in its earliest stage of development , from the time of first cell division until birth |
| Amniotic fluid | a clear, slightly yellowish liquid that surrounds the unborn baby |
| Placenta | an organ that connects the developing fetus to the uterine wall to allow nutrient uptake, waste elimination, and gas exchange |
| Umbilical cord | The flexible cordlike structure connecting a fetus at the abdomen with the placenta and containing two umbilical arteries and one vein |
