There haven’t been any studies that link birth control pills (including Briellyn) with weight gain.
However, it’s possible that you’ll experience bloating or a change in appetite, which can impact the number on the scale. These side effects shouldn’t be uncomfortable or interfering with your quality of life.
If Briellyn is causing bloating or an appetite change that is severe and not going away as your body gets used to the hormones, talk to the doctor. They’ll be able to advise you, which will likely include switching to a different medication. Not every birth control is perfect for every body, but we’ll help you find one that’s right for you.