Can my dream be coming true?

Tyjeanna
I last had sex Feb 8 2016 and my mother-in-law thinks I'm pregnant because I had gain a Lil bump and my grandma thinks the same thing cuz I have had weird cravings I've been throwing up, and gained a bump and hips.I would've thought the same but I have had periods, even though there a Lil irregular and lighter since, feb and last time I checked pregnant people don't have periods. HELP!!! any comments are welcome.