How Is The Menstrual Cycle Controlled By Negative Feedback?
How Is The Menstrual Cycle Controlled By Negative Feedback? This is an example of negative feedback . Progesterone maintains the uterus lining (the thickness of the uterus wall). If the egg has not been fertilised, the corpus luteum dies and progesterone levels drop . This causes menstruation, where the uterus lining breaks down – this