I HAD SEX ON THE DAY I OVULATED IN FEB 27TH , AND IN THE NEXT MONTH WHEN PERIOD WAS DUE, I HAD A LIGHT PERIOD FOR FOUR DAYS,I HAVE BEEN FEELING BLOATED MOST OF THE DAYS THIS MONTH,BUT HAVE DONE A HPT BUT HAD NEGATIVE RESULTS,I HAVE NO OTHER SIGNS OF PREGNANCY ,COULD I STILL BE PREGNANT,SINCE I DONT SEE ANY OVULATION SIGNS THIS MONTH.VERO.