Am i just Overthinking it?

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Long story short....

Back in September I had gotten my Nexplanon removed and Everytime my SO and I have had sex we have used condoms. For the past few weeks I have been waking up feeling nauseous and at times feel overly tired. I even feel like I get easily disgusted by smells too. 😔

Would u recommend I take a pregnancy test just to be sure or am I just freaking myself out and overthinking it?