Hello dear I understand your concern Your delayed period could be due to hormonal imbalance, ovarian dysfunction, thyroid dysfunction, endometriosis. Cramp could be due to premenstrual symptoms. Sometime period can be delayed by the the 7 days after stopping the primolut - N. So wait for the period to come next 3-4 days. If period will not come then consult the gynecologist and undergo reproductive and thyroid hormone analysis, USG scan, ovarian follicle study to confirm the cause. Specific treatment require according to cause. Sometime high dose of progesterone require to induce the period Avoid stress, take healthy diet, drink plenty of water and do regular exercise Hope this may help you Contact HCM for further health query Best regards Dr. Sagar