Hello dear Understand your concern Normens tablet contain norethisterone acetate, synthetic progesterone. It is used to regularize the period and induced the period in hormonal imbalance, for delayed the period, in excessive bleeding. So do not worry. It used for inducing the period if period will delay and also to delay period (should be taken 5 days before the expected period date) It support the endometrium and when stops withdrawal bleeding will occur. So take the tablet under the advice of gynecologist and period will occur in 3-6 days after stopping the tablet. Avoid stress, take healthy diet, fresh fruits and green leafy vegetables, drink plenty of water, do regular exercise. Hope this may help you Contact HCM for further health query Best regards Dr. Sagar