It?s a family effect, not a birth-order effect.

It?s not your birth order that is important; family environment and genetic influences are the really important factors.

Women who start having children at younger ages have larger families because they have more child-bearing years.

This is extremely convenient if there's like a birth in the family that you want to send meals to.

Child birth is one of the most natural and ancient things to occur, and the fact that 95 percent (of babies) are delivered in the hospital, and a huge percent are C-sections, is rather telling to our detachment from the process.

Birth order is fascinating, and it is forever.