Filed under: Pregnancy & Fertility
A premature birth is a birth that takes place more than three weeks before the baby is due — in other words, after less than 37 weeks of pregnancy, which usually lasts about 40 weeks.
Premature birth gives the baby less time to develop in the womb. Premature babies, especially those born earliest, often have complicated medical problems.
Depending on how early a baby is born, he or she may be:
Most premature births occur in the late preterm stage.
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