Blood samples are collected from a woman who is pregnant and from a woman at the start of a new menstrual cycle.
Which pattern is most consistent with pregnancy, and why?
high progesterone and low FSH; the lining is maintained and new follicle development is inhibited
low progesterone and high FSH; the lining is maintained and new follicle development is stimulated
high progesterone and high FSH; the lining is maintained and new follicle development is inhibited
low progesterone and low FSH; the lining is maintained and new follicle development is stimulated
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.