Why do some pregnant women cause toilet seat to turn blue?

The Mystery of the Blue Toilet Seat!

Why do pregnant women turn toilet seats blue?

Woman Turns Toilet Seat Blue, Then Finds Out Why

WOMAN FINDS OUT SHE'S SEVEN MONTHS PREGNANT AFTER TURNING TOILET SEAT BLUE

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This is more of a question than a consultation.I struggle

Women Are Turning BLUE After Being Pregnant

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Doctor Reacts: Didn't Know I Was Pregnant....then I looked in the TOILET!?

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Chromihidrosis: Mum’s bizarre pregnancy symptom turns everything blue

MY GIRLFRIEND GOT ATTACKED BY 5 DOGS!! 😩💔 #shorts

Why Does THIS Keep Coming Back and How to STOP it

getting pregnant from sitting on toilet seat part2

boy moms showing their offspring how to properly use the toilet 💀 #shorts #thebeverlyhalls