My sis took the pill for a year. She gained about 15 pounds and then it leveled off.
Weight gain seems to be a rather common side effect, so don't fret to much about it. It's your body adjusting to the extra hormones and adding even more curves. If you pay close attention, all the gain is in the hips and breasts.
It went away when she stopped taking the pill, so it's not completly permanant.
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