Is Long Term Use Of Inofolic, Dopergin And Myfol Safe?

i am of 29 year old and married for four years and i have a baby of 2.8years. i am patient of PCOS facing the problem of obesity. I am trying to conceive again, doctor prescribed me to use the following medicines for three months.Inofolic: Sachet once daily.MyFol: once daily Dopergin: twice daily.Is it safe to use this prescription for three month?. Further guide me to cure PCOS. Is this possible to get rid of this disease? if Yes then how ? Your guidance is required and also guide me how to reduce my body weight.