CAPE Biology Unit 1 · 2010 · Paper 1 · Question Q44
The role of high-dose progesterone-only pills is to
- (A)directly cause lysis of sperm
- (B)promote a build-up of the endometrium
- (C)promote thinning of the cervical mucus
- (D)completely inhibit follicular development and ovulation
The answer is shown once you've answered.
Practise this question