I have regular periods usually, am 44 (menapause doesn't start in my family til 50s) have had endometriosis for 20 years and am on birth control. I haven't had a period for four months (the exact amount of time I have been with a new partner. (I have some pain from the endo. the day after sex.)
I have taken SEVERAL pregnancy tests-all with negative results.
Any information is appreciated.