Hi, I am 37 yrs old, i had 2 miscarriages before, both of them in the 4th or 5th week max, my last period was on 1st of July, i did a home test two days ago and it was postive so i started taking Duphaston tablets twice a day as my doc advised me before but he is unavailable, my question is when should i start taking duphaston, am i considered late ? and when should should i stop it ? i am so worried to suffer another miscarriage, plz i need any info that can help. many thanks in adavance