pregnancy and birth

Term Definition
Pregnancy The time when a women carries a developing fetus in her uterus.
Embyro A developing human, from fetilization until the end of the eighth week of pregnancy.
Fetus The developing human in a woman's uterus, from the start of the ninth week of prenancy until birth.
Placenta An organ that grows in a woman's uterus during pregnancy, provides nutrients and oxygen to a fetus, and removes waste from a fetus.
Birth The passagte of a baby from the mother's uterus to outside the mother's body.

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