Hi. I Am 25 Yrs Old . I Got Married

Hi. I am 25 yrs old . I got married before 2 yrs . Few months ago cyst was observed in my uterus and my doc suggested me to use deviry 10 mg 3 pill per day about 5 months . After taking these pill i not bleeding during my periods . Could pls suggest me is this good to go with same medicine ? Do these medicine will have sever side effects ? And i am putting on weight so badly . Thank you