Help!! No Pic.

Allie • Lost but not forgotten 03/08/16 Blessed with a beautiful baby girl🌸 Team Save The World 🌎 ♻️
My SO and I were getting ready to have sex and I was wet but his finger slipped when putting it in and cut the side of my vagina! It cut pretty bad and hurts...how do I take care of it? I'm 25 weeks pregnant also, so trying not to use any thing with chemicals to keep it clean. Thanks!!