Hi Felismisc, It's hard to say for certain what this is, since we're not healthcare providers who can examine it. Given that you've had this as long as you can remember, it may just be how your genitals are shaped (for instance, maybe it's a feature of your inner labia). If you want a definitive an...

I've had this wrinkly spongy lump under and slightly surrounding ((attached to?)) my urethra that leads into my vagina for as long as I can remember. It doesn't hurt, pressing down on it just squishes it. It's not hard. I can see it pretty clearly if I move my labia. On all the diagrams I've seen ju...