Depo mistake ๐Ÿ˜”๐Ÿ˜”๐Ÿ˜”

Hi girls, I'm not looking for judgement on this question ok, but my depo is ran out and last night me and my fiancรฉ had sex and he came inside , earlier that week I had had my monthly period , I thought it had went but it obviously didn't and I'm worried now I could get pregnant over it!! Any helpย