Question 4
FThe Figure shows the number of pregnancies per 100 women in one year for four methods of contraception.
Perfect use means the method is always used correctly. Typical use means the way most people actually use the method.
Figure
a.[1]
Calculate how many times greater the number of pregnancies is for typical use of the condom than for perfect use of the condom.
b.[2]
The implant has the same number of pregnancies for perfect use and for typical use.
Explain why.
c.[3]
A couple want a method of contraception that is very effective at preventing pregnancy and that also reduces the risk of sexually transmitted infections.
Use information from the Figure to suggest what the couple should use.
Give reasons for your answer.
d.[1]
Give one disadvantage of using the implant.
7.2 Reproductive hormones Questions
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.