The Menstrual Cycle AQA GCSE science unit b1 3.5 / 5 based on 2 ratings ? ScienceThe human bodyGCSEAll boards Created by: CharlotteCreated on: 16-07-12 12:44 What is the average length of the menstrual cycle? 28 days 1 of 5 Eggs mature in the. . . ovaries 2 of 5 Ovulation (the release of an egg) occurs around day. . . 14 3 of 5 If the egg is not fertilised by a sperm cell, the lining of the uterus will break down and leave the body. This is called a. . . period 4 of 5 The pituitary gland releases a hormone called. . . FSH (follicle stimulating hormone) 5 of 5
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