stomach is bloated and feeling tired, am i pregnant?

I last had my period on 14th sep and on 20-22of sep had intercourse. Now for the last 5-6 days my stomach has bloated and i get tiard soon. I feel sleepy all the time. I did my home p.test on 30 Oct whaic came negative.Could i be pregnent. Is there any way i can know. My age is 34 years and BOB is 4th july 1976.

Please advise!