Hello Doc, i had my periods last 6th of April,since then I missed my periods till date(17.6.15), i had undergone my GB Stone surgery on 22nd May.Usually my perodic cycle is 28th days.I consulted a gynecologist i was suggested for deviry tablet 10mg on 16th june, i had done my USG, thyroid & hemoglobin tests on 17th May prior to the operation, where the reports are found normal, i m not married & have no physical relation too. when will i have my periods, what may be the reason i missed my periods. i m 37yrs. old & 64kg. Plz suggest i m in tense why its happening, i never had any such prob before. Plz help Doc. Waiting for a suggestion from you.