Hi we have planned to conceive this month. Stayed together from day 17. Now period got delayed. Should have started from 12 sept as last date was 13aug considering the normal cycle range of 30 days. Had normal cycles always. Consulted with doctor while planning to conceive she prescribed folvite mb. I have been taking it since 10 days. We have done test yesterday morning with kit but it was negative. Now I have having cramps. My stomach and back is hurting. Frequent urination is also there still periods not started please suggest what to do?