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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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The progestogenic emergency contraceptive pills act by:
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The correct answer is  The postcoital pill may dislodge a just implanted blastocyst or may interfere with implantation because endometrium is made either hyperproliferative or hypersecretory or atrophic. If it is not the case of emergency contraception, then progesterone could act by increasing the cervical mucus viscosity Ref.Essentials of medical pharmacology TD Tripathi 7th edition page no.324)