Can you help me about the problem pregnant!!

Chantal
I wonder why can't I have a pregnant cause me and my boyfriend trying sex with me from yesterday 12-24 hours wait get the meet eggs ovay so but I feeling don't nothing get sick or threw up what's go on? cause it's due for ovulation for good chance get the eggs so I'm little confused for 28 cycles day and my first period is Jan 22 last done period Jan 26 so when due start get ready eggs on Feb 5 or 9? Don't sure!!!