Which sequence correctly describes the central stages of IVF after hormone treatment?
Eggs are collected, fertilised in a laboratory, allowed to form embryos, then inserted into the uterus.
Sperm are collected, inserted into the uterus, allowed to form eggs, then fertilised in the ovary.
Embryos are collected, fertilised in the uterus, allowed to form eggs, then inserted into the ovary.
Eggs are collected, inserted into the uterus, allowed to form sperm, then fertilised in the laboratory.
39 exam-style questions on AQA GCSE Biology 5.3 Hormonal coordination in humans, covering 5.3.1 Human endocrine system, 5.3.2 Control of blood glucose concentration, 5.3.3 Maintaining water and nitrogen balance in the body, 5.3.4 Hormones in human reproduction, 5.3.5 Contraception, 5.3.6 The use of hormones to treat infertility (HT only), and 5.3.7 Negative feedback (HT only). Each one has a worked solution and a mark scheme showing where the marks go.