Oral Contraceptive (OC)
Oral contraceptives (OCs) are hormone-based medications taken by mouth to prevent pregnancy. Combined oral contraceptives (COCs) contain synthetic estrogen and progestin. Progestin-only pills contain progestin alone. Both work primarily by suppressing pituitary gonadotropin release, preventing ovulation. The menstrual cycle is not regulated by the pill; it is suppressed and replaced by a withdrawal bleed timed to the pill-free interval.
OCs are prescribed for contraception and for non-contraceptive indications: painful periods, PCOS symptom management, endometriosis-related pain, and acne. In each application, the mechanism is the same: cycle suppression. Symptoms may diminish while the medication is taken. The underlying condition does not change.
When a patient stops an OC prescribed for endometriosis pain, the disease remains, at whatever stage it reached during suppression. When a patient stops an OC prescribed for PCOS, the androgen excess and anovulation return. The suppression was not treatment. RRM clinicians use the term "suppressive medications" precisely because it names what these drugs do.
Documented effects associated with long-term OC use include changes in bone mineral density, cardiovascular risk markers, and mood. The strength of the evidence varies by outcome, and these risks are rarely discussed in standard prescribing conversations. Patients using OCs for years deserve that information.71
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This content is for educational purposes only and does not constitute medical advice. Consult an RRM clinician or healthcare provider for guidance specific to your situation.