Hello doctor,i have thyroid tsh 8.0 ,iam getting periods for every 17 days so doctor prescribed thyronorm 50mch daily 1tablet daily and she prescribed diane 35 for regulating my periods but after using diane 35 it started dizzinessand vomting sensationso she stop diane 35 it is not setting to u after 10days i got my period but it is not stopping after 14days so I consult doctor she has written registering 5mg for 40 days 1st 3 days 4per day after that 3 per day for 3days after that 2per day for 40 days is it safe to use regestrogen 5mg for that much days