BCP and weight gain/hard to lose weight

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Hey Ladies, I was just wondering if anyone has ever experienced a lot of weight gain or troubles losing weight, while taking birth control. I'm looking at starting a pill but have some concerns that it may mess with my weight loss goals, since getting healthier and in better shape is my biggest goal right now. I'm looking at taking at BCP not only for contraception but for balancing my hormones as well. If anyone has any advice, I would greatly appreciate it. Thanks so much!!