Viviparity
Development of the embryo inside the mother / From Wikipedia, the free encyclopedia
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Not to be confused with vivipary.
"Viviparous" redirects here. For the gastropod genus, see Viviparus.
In animals, viviparity is development of the embryo inside the body of the mother, with the maternal circulation providing for the metabolic needs of the embryo's development, until the mother gives birth to a fully or partially developed juvenile that is at least metabolically independent. This is opposed to oviparity, where the embryos develop independently outside the mother in eggs until they are developed enough to break out as hatchlings;[1] and ovoviviparity, where the embryos are developed in eggs that remain carried inside the mother's body until the hatchlings emerge from the mother as juveniles, similar to a live birth.