According to Why Beautiful People Have More Daughters,
“Young Americans who are rated "very attractive" have a 44 percent chance of having a son for their first child (and thus a 56 percent chance of having a daughter).
In contrast, everyone else has a 52 percent chance of having a son (and thus a a 48 percent chance of having a daughter) for their first child.
Being "very attractive" increases the odds ofhaving a daughter by 36 percent.”