Key term for Edexcel GCSE Biology, used in Hormonal Coordination.
A contraceptive pill containing only progesterone, which primarily prevents pregnancy by thickening cervical mucus and thinning the uterine lining.
Progesterone-only pill appears in Edexcel GCSE Biology revision content for Animal Coordination, Control and Homeostasis, especially Hormonal Coordination and Hormonal Contraception.
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