question: Hi i am a 36 y/o female. 2 preg/2births. I have been trying to get pregnant for 2 months. have had irregular periods. Period came on due date, but was brown blood. lasted 3 days. then Dr. put me on progestone 200mg for 7 days and i was suppose to get my period, i got light brwn discharge for 1 week. I tool a preg test and was negative. 2 weeks after stopping progresterone pills, i am now having lower abdominal discomfort. i have taken 3 pregnacy tests 1 week apart each. all negative. I have continued having unprotected intercourse. what can all this be?