What is this?

Brooklynn • 28|Mommy|Girlfriend|Author Instagram name: heyits_brooklynn

For the past like 6 weeks or so, every time I wipe after I pee the toilet paper is tinted a dark yellowish color, even if my urine itself is very light.

I have been to the doctors and they tested my urine for infections, but i don’t have one.

Is it my prenatal making it that way?