Hiii I do have a recommendation for that! :3
Look for “gaffs” or if you are in the EU the ones I always order should be shipping to you:
I have some of the first and second link there https://www.binderme.de/de_DE/c/Unterwasche/26
Don’t know why it’s a German domain afaik they are based in Poland.
Edit: never mind, am just stoopid girl lol, here is the US link






Make sure they use female ranges for T as the cutoff points vary. For me T was not detectable on a “male” range and low on a female range. It’s also possible that my doctor is an idiot.