Menstrual Hormones Biology 3 revision 3.0 / 5 based on 1 rating ? BiologyNervous system, hormones and behaviourGCSEEdexcel Created by: AmyCreated on: 05-05-13 20:49 FSH (Follicle-Stimulating Hormone) Causes follicle to mature in one of ovaries. Stimulates oestrogen production. 1 of 4 Oestrogen Causes lining of uterus to thicken and grow. High level stimulates LH surge. 2 of 4 LH (Luteneising Hormone) Surge stimulates ovulation (Day 14) - Follicle ruptures and egg released. Stimulates remains of follicle to develop into corpus luteum (Secretes progesterone) 3 of 4 Progesterone Maintains lining of uterus. Inhibits production of FSH and LH. When level falls, there's low oestrogen, uterus lining breaks down. Low levels allows FSH to increase. 4 of 4
Comments
No comments have yet been made