GCSE Biology OCR B J257

B5.5: What role do hormones play in human reproduction?

#B5.5.1

describe the role of hormones in human reproduction, including the control of the menstrual cycle

#B5.5.2

**explain the interactions of FSH, LH, oestrogen and progesterone in the control of the menstrual cycle **

#B5.5.3

explain the use of hormones in contraception and evaluate hormonal and non-hormonal methods of contraception

#B5.5.4

**explain the use of hormones in modern reproductive technologies to treat infertility **

B5.4
Why do we need to maintain a constant internal environment?
B5.6
What can happen when organs and control systems stop working?