A woman has been taking the combined contraceptive pill. She stops taking the pill because she wants to become pregnant.
Describe the sequence of hormone changes that leads to ovulation after she stops taking the pill.
The woman becomes pregnant.
Explain why no more eggs mature while she is pregnant.
90 exam-style questions on Edexcel GCSE Biology 7.2 Reproductive hormones, covering 7.2.1 Stages of the menstrual cycle, 7.2.2 Hormonal control of the menstrual cycle, 7.2.3 Hormonal contraception, 7.2.4 Evaluating contraception methods, and 7.2.5 Hormones in Assisted Reproductive Technology. Each one has a worked solution and a mark scheme showing where the marks go.