Oestrous cycle facts for kids

Kids Encyclopedia Facts

The oestrous cycle (U.S: estrous cycle) is the reproductive system in most mammals.

Reproductive hormones cause the cycles to start after puberty in sexually mature females. They are interrupted by non-breeding phases or by pregnancies. Usually estrous cycles continue until death.

Images for kids

Overview of the mammalian estrous cycle

See also

In Spanish: Ciclo estral para niños

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Oestrous cycle Facts for Kids. Kiddle Encyclopedia.