That's interesting. I never new about this one. I have twin girls and my line goes all the way from the rib cage to the pubic bone. My sis is preg with boy and hers is to the belly button.
I never really believed in it because I've always had a line there, but mine stops right under the belly and it's a boy.
I have a 14 year old boy, but I have 4 girls that are ages 6 and younger. I can't remember with my son to tell you the truth, but with my girls, it has always gone above my belly button to some extent. It didn't stop at my belly button. It may have varied from baby to baby. With my 3rd girl, it was very dark and took what seemed like forever to go away; just in time for me to get pregnant again. LOL!
Mine is only going up to my belly button and im 20 weeks with a baby boy
I DID lol it looked horrible im very fair skined too but yup i had a girl!!