My last period was December 14 this is the start date it last 7 days exactly i never had consistent cycles until i had kids at age 24. My concern is the past yr. Since august 2011 after i miscarried my periods were every 41 days which is not the usual 28. But the periods came every.month until recently i have been a little worried but not stressed. I went to the doctor last friday to do a pregnancy test it was negative, but i still have not gotten my period. The doctor informed i would be like 7 weeks by now but im sure this timeframe is based on a normal 28 day cycle. The only systems i recently been having is iritation heartburn and constipation. My cycle should have begun jan 24 based on my ladytimer updates. What could be the problem and when can i expect my cycle to start again. Is it possible i am becoming irregular to the point before i gave birth to first child. Because at the start of my very first cycle ever i got a period every four months for 7 days so since i was 12yrs until 21. Please help i maybe stressn now because of anticipation of when it will return. Thank you!!!!!!