STI'S or Just Bumps (help please I'm honestly scared)

So on the right side of my thigh I have what starts to look like a rash but I'm not sure. I just now noticed it but, a couple of days ago I snuck out the house to have a sneaky link up and we had sex. I don't know if I'm just being paranoid or if it is something serious.

if you guys notice anything else in the pictures I didn't, please let me know. Thank you, sincerely a scared 17 year old girl.

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idk, did u ever get those after shaving? you should go get checked just in case

Honestly I don’t know, this was my first time shaving (sometime last week or 2 weeks ago) but I did use some sensitive shaving cream down there to help. Would it help if I put lotion on it?

Have you always had the bumps on the left side??

No.