Which Among Deviry Or Krimson Is Effective For Irregular Menstrual Flow?

I am 29 year girl My menstrual are irregular from start I consult the gynecologist one ask me to take Diviry10 every month and other ask me to take krimason 32 from the 5th day every time and I took Krimson32 for a year but it result in a increase in my weight. In that period of a year my menstrual are regular but from when i stop taking that its again become irregular. what should I do should I continue with the Deviry or Krimson? is it good for the health to continue medicine?