How long duphaston will take to regulate the period cycle..I have taken one cycle of duphaston in November ( day 16-25) as prescribed by doctor..In December I got my periods timely ( date 7 Dec).Then again I took duphaston from day 17 to 26 ( on day 16 , I forgot the dose so I started with day 17).My last dose was on 1st January ..Today is 10 jaunary , Still I didn't get my periods..I am 34 years married female..Is there something to worry ? My cycle dates from previous month's was 4 may - 12 July - 9;August - 25 september - 5 November - 7;December ..I got my ultrasound done and
thyroid test in july.Itbwas all normal