lisääntymiskiertoja
Lisääntymiskiertoja refers to the cyclical biological processes that lead to reproduction in many species. In mammals, this often involves a female reproductive cycle, commonly known as the estrous cycle or menstrual cycle, which prepares the body for potential pregnancy. These cycles are regulated by hormones and typically involve distinct phases of physiological changes.
In females, the cycle often includes the development and release of an egg (ovulation) and the preparation
In males, reproductive cycles can also exist, though they are often less pronounced than in females. These