Does this look like a tick bite or something else? Story below

On Sunday I noticed a red bump on my leg that looked like a mosquito bite so I didn’t think anything of it. I woke up this morning and the red bump is the same but there’s a slight ring around it now . It doesn’t hurt, itch or burn and is not warm to the touch. The only thing I’m seeing is a potential tick bite but I’m not sure how that would be possible. I have not wore shorts yet this year and I wore either skinny jeans or workout leggings over the last week while outside , I also have not been in any wooded areas . Just my backyard here and there and a friends patio . I also didn’t feel anything on my skin and I’m pretty sensitive... and have not found or seen any ticks on me or my dogs .I’m just concerned because I’m 8 weeks pregnant and terrified of it being a tick bite and not knowing