The Truth About Gender Differences

twins with grandma

Photo by TwinMommy320

The November issue of Parents magazine explains why we can predict a lot about the way our baby thinks, behaves and develops based on his or her sex.

Okay, so this explains my son's love of head butting a lot!

Here are some of the biggest differences:



Developmental delays Four times more likely than girls to have autism. A possible reason? New research found a potential link to a gene that causes an imbalance of calcium in the brain. Boys are also more prone to have ADHD, dyslexia, and delayed speech.

Asthma More have it, but they are also more likely to outgrow it than girls.

Hearing Boys are born with a longer and more flexible chochlea (the part of the inner ear that sends impulses to the brain) so they don't hear as well as girls do, but they are better at determining the location of a sound.


Hemangiomas (raised red spots) Girls are five times more likely to have them, though the birthmarks usually disappear by age 9.

Pain Girls feel it more acutely, so she's more likely to cry and fuss if she has a cold, but she's also more responsive to cuddling and easier to soothe.

Speech The language centers in their brains are more efficient, giving them a head start in the speaking department. At 18 months a girl's vocabulary averages 90 words, compared to 40 for a boy the same age.

For more differences, check out the latest issue of Parents.

What have you found to be the biggest differences between boy and girl babies?


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