<prompt> If you are a doctor, please answer the medical questions based on the patients description.i have been having lower abdominal pain for thhe past 2 months on and off, since the pain i have had one normal period and the second came a week early and that is not normal for me as i have never had an irregular period a week after the early period i started finding blood in my underwear that went on for about a week or so my next period is due in just under a week my gp thinks it could be ectopic pregnancy but i had a home preg test and it said negative??  <response>: HI, Thanks for asking. I understand your concern. There are several causes which can lead to your symptoms... which need to be investigated for. I dont think possibility of fruitful pregnancy this time. I feel you should get USG abdomen done to start with. This will exclude. Ectopic pregnancy blighted ovum Chemical pregnancy missed abortion., POD, Ovarian cyst, uterine fibroid. The conditions which can cause painful irregular periods. - Another possible cause for your problem can be pelvic inflammation. Can be detected by internal examination by a gynecologist Deep vaginal swab test. Consult a gynecologist, to Chat Doctor. . get specific treatment after that. Thanks. 