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The World Health Organization defines preterm birth as babies born alive before 37 weeks of pregnancy are completed. While many preterm babies survive in high-income countries, in low- and middle-income countries a lack of adequate newborn care puts the lives of many preterm babies at risk. Preterm birth complications.
Please sign in or sign up for a March of Dimes account to proceed. The mission of the March of Dimes is to improve the health of babies by preventing birth defects, premature birth and infant mortality. Learn how to help reduce your risk of some birth defects by getting a preconception checkupstaying at a healthy weight and avoiding alcohol and street drugs.
Almost 1 of every 10 infants born in the United States are premature, or preemies. A premature birth is when a baby is born before 37 completed weeks of pregnancy. A full-term pregnancy is 40 weeks.
Birth is considered premature, or preterm, when it occurs before the 37th week of pregnancy. A normal pregnancy lasts about 40 weeks. Those final weeks in the womb are crucial for healthy weight gain and for the full development of various vital organs, including the brain and lungs.
Most pregnancies last 40 weeks. A baby born before the 37th week is known as a premature or pre-term baby. Medical advances have meant that more than 9 out of 10 premature babies survive, and most go on to develop normally.
Pregnancy lasts an average of 40 weeks normally between 38 and 42 weeks. A premature birth is when a baby is born before 37 weeks. So a baby born at 36 weeks and 6 days is officially premature.
Having a full-term pregnancy is best for your baby's health. Full-term pregnancies usually last about 40 weeks. When a baby is born earlier than 37 weeks, it's called a preterm or premature birth. Babies who are born early can have health problems that may last their whole lives.
Induction or caesarean birth should not be planned before 39 completed weeks unless medically indicated. An estimated 15 million babies are born too early every year. That is more than 1 in 10 babies.