Controlling Fertility

Question 1

Explain how progesterone can be used to prevent the release of an egg…(2)

Answer 1

Progesterone also reduces fertility e.g. by stimulating the production of thick cervical mucus which prevents any sperm getting through and reaching an egg.

Question 2

Explain how oestrogen can be used to prevent the release of an egg…

Answer 2

If oestrogen is taken every day to keep the level of it permanently high, it inhibits the production of FSH, and after a while the egg development and production stop and stay stopped.