Gestation

Gestation is the carrying of an embryo or fetus inside a female viviparous animal. In mammals that undergo a pregnancy, they can have one or more gestations at the same time, resulting in multiple gestations (such as twins).

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For example, female dogs usually have multiple ovulations in a single estrus cycle, and, when the ova get fertilized, the animal gestates multiple offspring in one single pregnancy.

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The time interval of a gestation is called a gestation period and the length of time they have spent developing in the uterus is the gestational age.

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Embryo: : For musical bands with the name "Embryo" see Embryo (band)...

Fetus: :"Foetus" redirects here. For a band, see Foetus (band)....

Female: Female is the sex of an organism, or a part of an organism, which produces egg cells. The "egg cell" (ovum) is defined as the larger gamete in a heterogamous reproduction system, while the smaller, usually motile gamete (sperm cell) is produced by the male. A female individual cannot reproduce sexu...