hi doc,i had my period on the 25th of October 2011,i was expecting it on the 22nd od November 2011 but its over a dat now and i have not seen it.i did a pregnancy test on the 18th and 19th of november 2011 but both results were negative.now i have abdominal cramps.have a feeling i was to menstarte but nothing is in yet.what is happening to me.i also feel movement in my navel.