Hello I Have A Question. I Just Got Off Of

Hello I have a question. I just got off of birth control at the very beginning of August. Got my period on the 3rd of August. I saw my fiancé on the 22nd of August after not seeing him for two months & we had sexual intercourse multiple times on the 23rd of August. Then my period came on the 24th. We still did have sexual intercourse a few times on the 25th thinking it may just be some bleeding but then it continued until about the 28th. Could I potentially be pregnant? We had unprotected sex the entire time.