Sex discharge

Hannah

I hard sex for the first time last night and he did not use a condom, when he came I came on me and I think a little in me. But anyways I took a bath the next day (today) and I noticed later tonight that I had some discharge, it smelled rlly bad but looked clear/ normal. Is that normal or any tips to maybe get rid of the smell? Idk if this helps but I have the nexplanon in my arm ( I ave been on it almost a year)