,period late by 3 weeks i was expecting my date of mensuration on 28th april but i dint got,i am always regular with periods,i took pamilon contraceptive pills for 2 months (feb and march..i was having regular periods then also)i left those pills ....now its almost 2 months now since i left pamilon..i missed my periods of april and then i did urine and blood test after 10 days it showed negative then doc prescribed my duphaston(dydrogesterone 10mg tablets)2 tablets a day (for 5 days) to get periods and i completed the tablets duphaston but now its more that a week but still no periods. im worried pls help what might be the reason..im not overweight and hav 2 kids ,29yrs female