i have been picking on weight drastically and checked my thyroids which was normal. I am sterilized but recently my periods have been irregular. I will miss a month and only get my periods the next month. I am not someone who picks on wieght easily and not able to lose it quickly. I was told that maybe my progesterone levels are higher than my oestrogen levels which is causing me to increase in weight. None of my clothes are fitting me and i have noticed this change for the past 2 years after having my sterilization operation. Please help !!!!