Thank you for your contact to health care magic. I read and understand your concern. From your question it is clear that u have to should take tab.norethisterone 5 mg three times daily or 10 mg twice a day for 5 days and after 5 days u should stop the pills so menstruation will begin in next 3-5 days ..this is kind of withdrawl bleeding because of withdrawl from high hormonal levels . There are many natural home remedies with many patients get benefited but some patients didn’t responded , so it is better to start tab.norethisterone( tab.meperate 10 mg) BD for 5 days will be happy to answer your further concern on bit. Thank you, have happy time Dr J.D.Mangukiya Infectious diseases specialist