'My cycle length is 34 days and my last period was March 30th. I had sex during my ovulation week actual on my date of the 19th of April which was my actual ovulation date. Well for about a week now I have had some aching pain and today I started spotting. My last period started on March 30th and ended April 3rd. My next period is not supposed to start until May 2nd. The day after the 19th I felt twinges and my nipples were sore. I have been very tired. Is there a possibility I could be pregnant. I never had a period twice in one month so it feels weird to me. It may be implantation bleeding. '.