I had my period late some times due to harmonal imbalance .after taking dronis 20 for 6 months as prescribed by my doctor.After 6 months of medication I had my next two period regular at 28 day cycle .3rd month I missed my period by 27 days tested 7 days back I.e., 20th day but it was negative.discomfort in lower abdomen during night while sleeping, a mild pinching pain at nights ,feeling thirsty like never before ,heavy breast ,lower back pain ,morning sickness,laziness,drowsiness .