(a(i))[1]
Using Fig. 6.1, explain why there is a marked rise in LH at about day 12.
(a(ii))[1]
State how Fig. 6.1 indicates that the woman was not pregnant during this cycle.
(b(i))[4]
Explain how this combined contraceptive pill works to stop pregnancy.
(b(ii))[1]
Suggest why some women take the combined contraceptive pill for just the first 21 days of their cycles.
(b(iii))[1]
Some women have a contraceptive device inserted under the skin. It releases hormones into the blood and can last for up to three years. Suggest one advantage of using such a device instead of taking contraceptive pills.