I am female 26 age weight 89 kg. Married from 2 years. Usually my period are regular and cycle of 31 days but few from few month it disturbed. I got period on 22 jan and I was expecting my period on 22 feb but its not come and I look 3 urine test and 1 beta test for pregnancy and unfortunatly all was negative. After 22 jan, my period came on 22 march. Again in this month my period should be on 22 april but again till now no period. I wondering whats happening with me.