Pregnant??

Okay so i had my daughter 9 months ago finnally had sex like 3 weeks go and a few days

But im hating the smell of food lately and want to throw up and feel super dizzy and tired 😓😓. Im also on birth control implant so idk why this is happening?😧i dont really want to be pregnant but idk if its just my head messing with me🤷🏽‍♀️🤷🏽‍♀️🤷🏽‍♀️