My boyfriend and I were as far from careful as you can be, more than once over the month but I had a period. The period only lasted about 1 and a half to 2 days. It consisted of one heavy, clotting day where I had very strong, painful cramps. This occured on July19 and I took a pregnancy test on July 31st but it was negative. Is it possible that the test was wrong. I am also having headaches and my energy level is very low.
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Female , Age: 32