The menstrual cycle is orchestrated by two hormones for excellence: estrogen and progesterone. The average interval between one period and another is 28 days. Soon after the end of bleeding, estrogen levels increase – which causes the proliferation of tissue that lines the uterine wall, the endometrial. This happens to prepare the uterus to receive [...]

Menopause is distinct as the state of an absence of menstrual periods for 12 months. The menopausal transition starts with varying menstrual cycle length and ends with the final menstrual period. Perimenopause means “the time approximately menopause” and is often used to refer to the menopausal midway period. Menopause is the transition period in a [...]