Medical eligibility criteria (MEC) categories for contraceptive use

Category 1A condition for which there is no restriction for the use of the contraceptive method
Category 2A condition where the advantages of using the method generally outweigh the theoretical or proven risks
Category 3A condition where the theoretical or proven risks usually outweigh the advantages of using the method
Category 4A condition which represents an unacceptable health risk if the contraceptive method is used

From: II, Using the recommendations

Cover of Medical Eligibility Criteria for Contraceptive Use
Medical Eligibility Criteria for Contraceptive Use. 5th edition.
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