I am 21 year old. I had unprotected intercourse on 6 feb. My last periods was on 13 jan my periods are irregular. I did blood test 35 days after intercourse and test result was <0.1 miu/ml. Still had no periods and when I tested with hpt on 4th april then control line is very faint but there is no test line. I am worried whether I am pregnant or not?

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