GCSE AQA Biology - The Menstrual Cycle The Menstrual Cycle topic 3.0 / 5 based on 3 ratings ? BiologyGCSEAll boards Created by: LeahCreated on: 24-02-11 12:31 What is the average length of a menstrual cycle? 28 days 1 of 6 What is ovulation? When the egg is released from the ovary 2 of 6 All of these changes are brought about by hormones produces in which places? The ovaries and the pituitary gland 3 of 6 What does FSH do and where is it made? It makes the egg mature in the ovaries, stimulates the production of oestrogen and is made by the pituitary gland 4 of 6 What does Oestrogen do and where is it made? It makes the lining of the womb build up ready for pregnancy and stimulates the production of LH. It is made in the ovaries. 5 of 6 What does LH do and where is it made? It stimulates the release of a mature egg from one of the ovaries in the middle of a menstrual cycle. It is made in the pituitary glands. 6 of 6
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