A man says his wife is mad at him after he correctly guessed the sex of their friend's baby while at a reveal party.

Nub theory: what is it and does it work? We’ve got all the information you need to demystify this peculiar phrase.

There is no science to correctly guessing the sex of an unborn baby. Even if you think you’re right, you have to allow for a margin of error. You won’t know anything for sure until the baby is born.

Others simply encourage them to ignore gender stereotypes – like having boys dress up as princesses or fairies, or girls be really into Formula One cars. We chose concealment after observing how ...

"In the car on the way there, my wife asked me what gender I thought the baby would be. I said that given that the sex ratio at birth is about 105 boys for every 100 girls, that my guess is that ...