two only children will also butt heads as both are accustomed to being the center of attention. If neither can compromise, ...

A phrase eldest daughters often say well into adulthood is “I can handle it on my own,” which displays a fierce sense of ...

Middle child syndrome is the belief that middle children are excluded, ignored, or even outright neglected because of their birth order. According to the lore, some children may have certain ...

Researchers often explore how birth order, including the differences in parental expectations and sibling dynamics, can affect development and character. According to some researchers, firstborns, ...

The study found there was an observed effect of around 1.5 IQ points for each increase in birth-order position.

"Is this a perfect representation of birth order traits?" Kylie wrote over the photo ... Her Daughters as She Jokes She's 'Hoping to Walk Until Labor' Josh Brolin's 4 Kids: All About Trevor, Eden, ...

From 1998 to 2023, there was a decline in the triplet and higher-order birth rate, according to an October data brief published by the National Center for Health Statistics.