Glossary

Term · Postpartum: Your Body

combined hormonal contraception

Also: combined birth control, combined hormonal birth control, estrogen-progestin contraception, CHC

Birth control that contains both estrogen and progestin, such as the pill, the patch, or the ring. It is one of several options for preventing pregnancy after birth, and its use depends on breastfeeding and other health factors.

In plain words

Combined hormonal contraception contains two hormones, an estrogen and a progestin. It comes as a pill, a patch, or a vaginal ring. It works mainly by stopping ovulation. After birth, the choice depends on several things, including whether the mother is breastfeeding and her other health factors, such as blood clot history or blood pressure. Some forms are not used in the early weeks after birth. When a mother stops this type of birth control, fertility often returns quickly, and she can become pregnant right away. Your provider can explain which options fit your situation.

The deeper version

Combined hormonal contraceptives inhibit ovulation and alter cervical mucus and endometrium. The US Medical Eligibility Criteria for Contraceptive Use (CDC, 2024) rates combined methods as the highest-risk category in the first 21 days after delivery, and as higher-risk in the following weeks when thromboembolic risk factors are present, with additional caution during breastfeeding because of potential effects on milk production. Return to fertility after discontinuation is generally rapid, and conception may be attempted immediately after discontinuation (CDC Selected Practice Recommendations for Contraceptive Use, 2024). Risk of is elevated in the postpartum period, which shapes the timing of initiation.

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Sources

  • Centers for Disease Control and Prevention — US Medical Eligibility Criteria for Contraceptive Use, 2024
  • Centers for Disease Control and Prevention — Selected Practice Recommendations for Contraceptive Use, 2016, updated 2024

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