It starts from April 11th my cycle the on the 12th had a big blood clot almost possible miscarriage is it seem to be then May 7th I have my cycle Dan and June 4th to the 9th I was sick anything that I ate I was very nauseous and even on the 15th of June I went to the doctor took that test everything came back negative and now I am still 12 days late of my cycle with my tubes being tied for the last 12 years I've been having a lot of intercourse almost on a regular daily basis no protection use I keep track of all of my dates I still feel like there's something wrong with the doctors tell me there's anything can I do anything for me?