The Normal Menstrual Cycle During the menstrual cycle, two hormones, called estrogen and progesterone, are made by the ovaries. Each month, these hormones cause the endometrium to grow in preparation…
The Normal Menstrual Cycle During the menstrual cycle, two hormones, called estrogen and progesterone, are made by the ovaries. Each month, these hormones cause the endometrium to grow in preparation…