Hi I am 34 years old (married since 6years) and we were trying to conceive since last 6 months.Earlier my period were irregular ie use to get brown discharges in between two cycles and i treated in sept 2010 and since then my periods are 28 or 30cycles since oct 2010.Every month my Intra vaginal sonography was done and my follicles were normal as per my gynaec and i was given 3 shots of HCG injection for 3 months but there was no success.I use to have Tablet letoval from Oct2010 to March 2011 from 2nd day of my cycle for 5 days as prescribed by dr. My husband recently went abroad and hence in month of april i stopped Letoval after my period on 6th April 2010. Today after 33rd day ie 9th May i have not yet got my period. I am 5 ft and weigh 55kg . Was little stressed emotionally this month . Wat could be possible reason for delay in this month period. Too stressed coz of this as planning to go to husband in after 4 months so that we can plan for the child. Please help