Displaying items by tag: Menses

The menstrual cycle is a natural cycle and is seen to occur in a few mammals. Humans are one of the species who have this trait. Some species like dogs have an estrous cycle. They usually ovulate during this time and are fertile and are open to mating. They exhibit overt signs of receptivity, ranging from engorged and colorful genitals to behavioral changes like mating calls. It is termed as “ being in the Heat”