I was using nur-isterate for alm0st 16 m0nths n never skipped nt a day. On a 10th m0nth i stop menstrati0n. I stopped nur-isterate at 16th m0nth n took red pillz to start ma periods again. 1st it was blood cloths n dots of menstrati0n. I had sex several times after the dots. CULD I BE PREGNANT?