Of course, those same expectations don't apply to men. Only 42 percent of Americans responded that they believe the ideal age for males to start procreating is 25 or younger. Most people, 52 percent ...

However, analysts doubt such a change would have an impact in a country where couples are tying the knot later and in fewer numbers than ever before.

Lifestyle choices during pregnancy have far-reaching effects on the child's neurodevelopment. A mother-child study conducted ...