How effective is plan B?

Patient: How effective is plan B?

Doctor: Hello,Thank you for your medical query at AskTheDoctor.comI understand your concern.Plan B is extremely effectiv e ( 95 % ), provided it is taken at the right time. Plan B should always be taken within 72 hours of unprotected intercourse, beyond which it is not effective. Also, Plan B may work by delaying the ovulation, so subsequently proper methods of contraception should be used.Hope this was helpful,Regards


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