Hi doctor , I am 25 , my period is delay for about 3 months and still not getting period , just to inform I am unmarried and not pregnant . My periods are generally irregular minimum duration 40 days to 60 , but this time around its been more than 60 . Always feels like I might get period next day and not happening . Don t know what might be the reason , can u plz suggest to get my periods soon.. I took mephrate tablet and till when should I take tablet to get my periods. Thanks please advise