Trisomy 13 and 18 are chromosomal disorders, like Down's syndrome. Some parents may feel devastated when they learn their baby has such a disorder, but the reality holds much more optimism.

A fear held by many parents is that their adolescent will become sexually active at an early age. Here's good news: Being an involved parent can make a difference, says new research.

Ready for some good news about kids today? An annual federal report on children's well-being in the US has a lot of it, from birth outcomes to school performance to deaths.

What puts women at risk of pregnancy problems? Lots of factors, including illness, obesity and stress. A recent finding says that a type of antibody is also a risk factor.

One consideration in undergoing in vitro fertilization ( IVF ) treatment to have a baby is how many embryos to transfer into a woman's womb at once. One? Two? Three?

The first "test tube baby," Louise Brown was born in July, 1978. Now, 34 years later, she's one of 5 million babies born by in vitro fertilization ( IVF ).

What makes a woman more likely to use effective contraception? Scientists are still exploring all of the social, economic and cultural reasons. A recent study confirms one important link: Attitude plays a role.

Young women who require chemotherapy or other cancer treatment may find that the treatment risks permanent damage to their fertility - but science is catching up.

It's no surprise that smoking is harmful to a pregnant woman's fetus. But smoking can also increase the risk of a woman experiencing a dangerous kind of pregnancy in the first place.

If you're trying to have a baby with fertility treatments, there's no reason to skip your morning cup of coffee...but keep the refills to a minimum.