Do whales menstruate?

Although whales go through a reproductive cycle like all mamals, most species actually don't menstrate. In fact, most mamals, aside from primates and a few other species go through what's known as a Estrous cycle. read more

Although whales go through a reproductive cycle like all mamals, most species actually don't menstrate. In fact, most mamals, aside from primates and a few other species go through what's known as a Estrous cycle. read more

In that case, no. It's mostly primates that have periods. Most other animals go through estrous (going in heat), and reabsorb their uterine lining if they don't fertilize. read more

Menstruation in mammals is the shedding of the uterine lining (endometrium). It occurs on a regular basis in sexually reproductive-age females of certain mammal species. Though there is some disagreement in definitions between sources, menstruation is generally considered to be limited to primates. read more