Hello and thanks for the query, I understand your problem. You had a novasure and were on pills. You seem to be having headache a month after stopping pills. The pills do cause headache but this occurs when women begin to use pills. The pills are no longer in your system so it is unlikely that the headache is due to pills. Novasure does not do anything to the body except just destroys the endometrium, so it is also not responsible for headache. I suggest that you look for other common causes of headaches like stress and tension, weakened eyesight and onset of presbiopia [ decreased near vision], excess use of computer, lack of proper sleep, high blood pressure, cervical spondylosis. They are innumerable. I do understand that headaches are annoying as they do not allow us to function optimally. So it is best to visit a physician and look for the cause and get it treated. Hope this satisfies your query. Thanks for using HCM. Feel free to ask any more questions that you may have. Dr Madhuri Bagde Consultant Obstetrician and Gynecologist