Hi.My period start at 19th of august,stoped at 26 until 31 then start again and still is.is not the first time when that happen but didnt happened in the last 2-3 years,i am 40 years old and 2 ovarian chist operations in past.i got primolut nor 5mg.should i take more then 2 pills per day?should i take more then 5 days?last time when happened i've been for a check up and the doctor said is nothing wrong..apart from having 3 weeks period.thank you