Does birth control pills make you gain weight?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Do birth control pills cause weight gain? For most people, the answer is no. The majority of clinical studies show that birth control pills do not cause significant weight gain. While some users may notice minor fluctuations due to temporary water retention, research consistently finds no meaningful link between oral contraceptives and long-term weight changes.

That said, weight changes can stem from many factors—hormones, stress, diet, sleep, or underlying health conditions—so it's worth investigating if you're concerned. The fastest way to get clarity is to take a free, instant, AI-powered symptom check. In just a few minutes, you'll receive personalized insights into possible causes and clear guidance on your next steps—empowering you to have a more informed conversation with your doctor.

Reviewed for medical accuracy: 07/20/2026

Important Next Steps

Learn if birth control pills cause weight gain Discover why your weight changed on the pill See if your symptoms need care today Find over-the-counter options for weight changes Find a doctor about birth control side effects Discover home remedies for pill-related weight changes Find out if birth control is causing symptoms

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Explanation

Many people worry that taking birth control pills might make them gain weight. However, research shows that this is not a common side effect for most users.

What the Studies Say

Some reviews have looked at many studies and found no strong evidence that birth control pills cause weight gain. While some people might see a small change, it is usually not significant weight. Other research also found that change with birth control use is not common and varies from person to person.

Key Points

Weight Changes: While some people might experience slight weight changes, it is not a common or consistent effect of taking the pill.
Individual Differences: Everyone is different, and some might notice changes in their bodies for various reasons, not just because of birth control.

In conclusion, if you are concerned about weight gain and birth control, it's good to talk to a healthcare provider who can offer personalized advice. You can also try Ubie's free AI symptom checker to help identify if your symptoms may be related to your birth control or other health factors.

(References)

Gallo MF, Lopez LM, Grimes DA, Schulz KF, & Helmerhorst FM. (2011). Combination contraceptives: effects on weight. The Cochrane database of systematic reviews, 21901687.
Rosenberg M. (1998). Weight change with oral contraceptive use and during the .... Contraception, 10095970.
Gallo MF, Grimes DA, Schulz KF, & Helmerhorst FM. (2003). Combination contraceptives: effects on weight. The Cochrane database of systematic reviews, 12804496.

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