Women who take certain birth control pills might build more muscle during weight training than those who don’t, especially in their arms and legs.

Pro

Against

Evidence from Studies

Supporting (1)

Community contributions welcome

Second‐Generation Oral Contraceptive Use Is Associated With Greater Muscle Hypertrophy Following Resistance Training

Cohort Study

Human

2025 Dec

Contradicting (0)

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No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Second‐Generation Oral Contraceptive Use Is Associated With Greater Muscle Hypertrophy Following Resistance Training

Score: 38

DOI: 10.1111/sms.70189

Similar Assertions

Even though birth control pills might help women build more muscle during training, they don’t actually get stronger than women not on the pill — so bigger muscles don’t always mean more strength.

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In young, active women, having higher natural estrogen levels doesn’t seem to protect against muscle soreness or weakness after intense arm exercises — it hits just as hard as when estrogen is low, like in women taking birth control.

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