Hi, I am 27 year old female. I am un-married,My menstruation cycle if starts on 1 of any month and suppose lasts till 6 days( that means 6th of that month), my periods got over on 30th Dec, my next cycle starts after 3-4 days when the previous one ended. I have gone through an intercourse with my partner & my periods were supposed to come in the beginning of feburary, but they have not appeared. I have gone through pregnancy test by using a strip, but I am not sure about it, as both the lines turned pink, but 1 line was dark pind and another was light. Please let me know, what should I do now.?