confused

so last night i had a very small bit of bleeding (very light pink and only on toilet paper as i wiped) had period cramps first thing in morning yesterday so i thought i was gunna get my first period since having baby (7 weeks) but all day today ive had nothing ....me and bf have had sex a few times the last week or so but only got to "finish" once but he pulled out just before in plenty of time ...thoughts and anyone had this