I have prescribed northisterone for abnormal bleeding from my gynaecologist. I was told to take them as soon as spotting started. This month was the first time. I started spotting last weekend. I have felt dreadful all week painful breasts, premenstrual stomach pain, and last night sweating in the night! I have also woke up with dark urine past two days. I have decided to stop taking them today. It’s day 30 of my cycle. Any one else had these side effects? The only pro is the spotting / bleeding has stopped!