HEY GUY'S I NEED SOME ADVICE OK I'M 18 YRS OLD AND I HAVE VERRY CERTAIN PERIODS WHICH IT MEANS THAT IF I HAD MY PERIOD THE 5TH OF JULY I WOULD HAVE IT THE 5TH OF AUGUST OF NEXT MONTH! OK I HAD MY PERIO THE 5TH OF JULY AND ENDED THE 9TH OR THE 10TH I DON'T KNOW 4-SURE IF I'M PREGNANT OR NOT BUT HOPE FULLY I WILL FIND OUT NEXT WEEK 4-SHO AND I HAD SEX ON THE 17 WHICH IT WAS EXACTLLY 7 DAYS AGO SOO CAN I STILL BE PREGNANT OR NOT ?? CUZ I USULLY HAVE MY PERIOD THE 11 TH OR THE 12 SOO I NEED U'ALLS FEED BACK PLZ I WOULD APRECIATE IT IF U'ALL DID REPLY ME BACK!!! ..........ALWAYS SHEYLA