How to induce mensuration in 20 yrs women,her usg,fsh/lh,bmi,clinicaly normal patient,meneses comes in 2-4 months.her bmi <20.normal tft,no raised prolactine levels.i need to know the drug which can start the meneses.after that i can put her on ocps.pls suggest a drug and dosage,her weight is 43kgs,she is 5.2 tall.