Do female dolphins menstruate like other mammals?

Dolphins don't menstruate, however they bleed during labor. There is no data about how they manage to avoid sharks attacks, but it is a good question: They don't menstruate, I mean that they don't spell menstrual blood through their vaginas. read more

Dolphins do not menstruate. (Very few mammals menstruate.) They do bleed when giving birth, like all placental mammals, but sharks don’t have quite as acute a sense of smell as they are purported to have and it doesn’t seem like dolphins are any extra danger because of the small amount of blood. But sharks will eat dolphins if they can. read more

But most other female animals don't bleed outwardly like us. Even among those that give birth to live young as we do, only a handful of species menstruate. So menstruation isn't just inconvenient and unpleasant: it's also a mystery. read more

Although female marine mammals don't mentruate, other mammals, besides women, do: Coming back to menstruations and female mammals, generally speaking there are two different types of reproductive cycles called estrous cycles and menstrual cycles. read more