We still don't know what's behind four out of every five birth defects. But that can change.
Thinking about trying for a baby? Then now is the time for you and your partner to "spring clean" your food and lifestyle habits.
A recent study found that a woman's blood pressure before pregnancy can help predict her child's gender. And it's not the only indicator.
Multiple hormones produced by the mother, placenta and the foetus drive and coordinate the amazing biological changes and development of the baby that occur with conception, foetal growth and birth.