/ HOD JUNE EXAM PRACTICE PAPER 3.3 Study the graph below of a menstrual cycle and the influence of the different hormones on it. 7 Pituitary! trypophysis hormone lovels Growth of follicle Ovarian hormone levels Thickness of uterine lining/ endometrium FSH progesterone oestrogen 0 7 14 Days 21 28 3.3.1 3.3.2 3.3.3 Hormonal regulation of the female reproductive cycle On which day does ovulation take place? Between which days does menstruation take place? State ONE function of FSH during the menstrual cycle. 3.3.4 Describe the functional relationship between progesterone and FSH. 3.3.5 3.3.6 3.3.7 Account for the change in the thickness of the endometrial lining between day 14 and day 21. Did fertilisation take place within the 28-day cycle illustrated in the graph? Give TWO reasons for your answer to QUESTION 3.3.6. ​