HI..IM 19 and i took a pregnancy test about a week a go and it came out positive then 4 days later i get my period heavy w/ clots but it was only heavy for 2 days then it got lighter and lasted 3 days so in told 5 days w/ period when normally i have my period for 7/8 days..it has never been less than 7 days...i wanted to knw is there a possibility i may be pregnant? need help really would like to knw soon..okay well i was suppose to have a appointment last tuesday but for some reason didnt get to go.. so i still dont knw wat was the cause for it..well i gain weight about 3 or 4 pound but i feel like my pants got loser....can i really be pregnant or wat?