I'm 26 years old and unmarried. My gynecologist prescribed me norethisterone (10 mg) 2 per day for endometriosis and heavy bleeding during combination pill. So i'm taking norethisterone only with iron and ccm tablet. Regestrone 10 mg started on 31 may. Today early morning 4.30 am 4 june abdominal pain, leg pain, back pain and pain in urine passing area around. 7.30 am blood spotting i'm really panic what was happening to me? I'm taking norethisterone regularly each time every day. Thanks for reading i'm waiting for your valuable answers.