Hi, I Have Been Taking Folic Aside For 2 Months

Hi, I have been taking folic aside for 2 months now, we were planning to have a baby on June 2016, my last period was on the 10th of April n currently 4 days late. I am having terrible cramps n bloating. Me n my husband have had sex often but we were careful on withdrawal. I tries the dip n tell test this morning n it's negative.pls help.. allina