State the role in the menstrual cycle of the following hormones, FSH, LH, estrogen and progesterone

The hormone LH causes the mature egg to be released from the ovary ... Progesterone is another hormone secreted by ovaries: it maintains the lining of the uterus and stays high during pregnancy. Hormone levels during the mentrual cyle. This animation shows how the levels of FSH and LH change during the menstrual cycle.