Hi, i had the implant put in around 3 weeks ago and i started my period a week later for two weeks and it started going a brownish colour as it was nearing the end but i had sex a few days ago and i have started bleeding again but very light pink and watery, but there is also a bad smell.. would anyone know whats going on ? Cant get in the doctors this week thats why im asking on here because im worried. Thanks.