Examlex
The withdrawal method is one of the most effective methods of birth control.
Prenatal Period
The time frame in human development that occurs from conception until birth.
Conception
The process of a sperm fertilizing an ovum, leading to the beginning of pregnancy.
Fetal
Pertaining to a fetus, the developing stage of a mammal after the embryonic stage and before birth.
Placenta
An organ that develops in the uterus during pregnancy, allowing nutrient uptake, waste elimination, and gas exchange through the mother’s blood supply, critical for fetal development.
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