Question

Nicole
So I had sex day three of af . Mean while day three wasn't nothing 
No blood not cramps . I did have a normal period day 1 and 2 .ok so I had sex day three and day 4 I'm normally on my period 5 days .but not this time after having sex day 2 never got anything . So what now ? Could I be pregnant ? Mean while I'm using the bath room so much and my breast are super tender !