Not pregnancy related 😏

Briana 💕☺️✨ • 24 years old🥰 Engaged to my best friend, Momma to a 2 year old boy & 7 year old pit bull.💜
Okay so for the past 3 months I have been getting these bites/hives.. I've went to my doctor 3 times about it. First 2 times she said they were bites - this last time the other day she said they were not bites because my fiancé isn't getting bit and we sleep on a twin size bed.. So now I have a dermatologist appointment Monday.. But I was wondering if someone would be able to help me kind a figure this out or give me a idea on what they could be.. I'll post a few recent pictures.
Thank you for your help in advance 😊