Hi mommas, I have a TMI question 😔:

I noticed more chafing pain between my legs than usual... it's been warm, and I only have the same pairs of maternity pants + a maxi skirt that fit me at all, so my thighs constantly rub. Well, I'm still working for 2 more weeks and with my business casual dress code I have to wear pants, which are leggings, and so I still wear thongs.
I've discontinued this immediately and am panicked because I noticed some raised little sores on the skin between my vagina and anus where the thong usually is deepest. they feel like little skin tags or pinples, raised enough so you can grab them... has anyone else ever had this happen and should I put anything on it? I can't find much online about it and I know 100% it's not an std or any kind of sore like that since I have been tested and so has he, I'm scared and disgusted and I think he is too...! I see my OB next week for strep B test and don't know what I can do in the meantime. thanks in advance!!! 😳😳