hello! im 28 years old.5'2 in height ang 51kls in weight.doctor i just want to ask. i have sex with my boyfriend in the last day of my menstruation last july 24 and until now i dont have my periods. i took already 3 pregnancy test but it showed negative. then last week i took duphaston for 5 days, when i stop the duphaston after that day ive bleed but just an hour. it stop then until now i dont have my periods yet. yesterday i took a pregnancy test again but still negative. am i pregnant? what is the problem of my case doctor? thanks....