A drug prevents the uterus lining from responding to oestrogen. Egg maturation and ovulation are unaffected.
Which combination of effects is most likely?
reduced repair of the lining; reduced chance of implantation
reduced repair of the lining; reduced chance of egg release
increased repair of the lining; reduced chance of egg release
increased repair of the lining; reduced chance of implantation
48 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.