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Preterm labor
- Preterm labor and birth can happen to any pregnant woman.
- Women can take steps to reduce the risk of preterm labor.
- Learn the signs of preterm labor and what to do about them.
How early can a baby be born and live?
There is no set timeline for survival for babies born early. Babies born earlier than 23 weeks have a much smaller chance of survival than babies born after 23 weeks.About 9 out of 10 babies born at 28 weeks survive. But many have serious health problems. Any baby born before 37 completed weeks of pregnancy is considered premature. Premature babies have less time to develop in the womb than babies who arrive on time. This puts them at greater risk of medical and developmental problems. Every extra day in the womb helps the baby develop and mature and probably improve his or her health and development later in life. Between 23 and 26 weeks, every extra day in the womb increases a baby's chance of survival by 2 to 4 percent.
Have questions?
Featured question
How do I know I’m in labor?
