Hi Doc ...I Have Irregularperiods ,dint Get Periods Since 2

Hi doc ...I have irregularperiods ,dint get periods since 2 months ....yesterday my doc gave steridil tabs to induce period ,then for the later section told to take duphastontablets from 16th day to 25th day for 6 months ...she told I will regulate period ,meanwhile can become pregnant since we r trying on it since 1 year ..whether it's true