Though more women worldwide are planning inductions or cesarean sections to give birth around specific schedules, evidence reveals it's safest to wait until the baby is ready to arrive.

Children exposed to as little as half an alcoholic drink a day in utero - even if they didn't have fetal alcohol syndrome - appeared to suffer in their achievement test scores.

Having many children may wear you out, but some unexpected health benefits have been linked to having multiple pregnancies - a lower risk of developing multiple sclerosis.

Smoking is associated with a number of complications for babies in the womb, including early deliveries and underweight babies. Scotland's smoking ban made in dent in both of these.

Expectant mothers with depression or anxiety may debate whether to continue or cease taking their mood meds during pregnancy, and it appears their babies are likely affected either way.

Probiotics are food with live and active beneficial bacteria for the body that have been gaining popularity in the U.S. - and soon they may be in baby's formula.

Miscarrying a child is a difficult, emotional experience for a woman. Some women who experience first-trimester loss choose to lose the baby naturally, without immediate medical intervention.

Giving birth between 22 and 26 weeks can involve painful decisions, given the various risks to the baby, which has about a 50 percent chance of survival.

Arriving early is great for meetings or work - but not for birth. Even babies born a couple weeks early are at a higher risk for developing health problems later.

Although gaining too much or too little weight during pregnancy can cause problems for the baby, cognitive problems are not among them.