tmi need help have a question

yesterday I had unprotected sex about to hours lately I go to the bath room n it was light pink mix with clear liquid I wipe three times n saw it it got lighter n lighter then I didn't see anything so I through when I woke up I would be on my cycle but nothing having cramps but not like period cramps it kept feeling like I had to do number two but never could go just gas but this morning I end up doing number two can anyone help