Does this mean I'm pregenit I'm so confussed some one help?

Ok I'm sooo confussed I need some help ... Ok I have regular periods but this month I didn't get it .... The last couple dayz i've been feelin really weried lik I feel dizzy and lik I'm goin to puck and I have to go to the bathroom alot I can't go to sleep cuz I feel sick... But the thang is on April 23 me and my boyfriend didn't have we just messed around but he didn't ejactulate nor have an didn't really get arouse soo I don't no what to do nor why this is happen to so does anyone have answerd that can help me