She had her periods on 18 feb. After that she had no periods and we have conception on 29 march and it was just a touch for 5 secs no ejaculation was there. And after that she had done her pregnancy test it was negative. And she had her periods on 13 april but little bit less bleeding then before. And from then she didn't had her periods this month. Even she did a pregnancy test and it was again negative. Please suggest what to do. And even she had irregular periods cycle. Does there a chance of pregnancy? Please help.