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  1. Premature birth - Symptoms and causes - Mayo Clinic

    Dec 23, 2025 · A premature birth means a baby is born too early. The birth takes place before the 37th week of pregnancy. A typical pregnancy lasts about 40 weeks. Premature babies often have serious …

  2. Preterm Birth: Premature, Causes, Symptoms & Complications

    Feb 23, 2024 · Premature or preterm babies are babies born before 37 weeks of pregnancy. Premature infants are at a greater risk for health problems.

  3. Premature Birth | Fact Sheets | Yale Medicine

    Premature birth, also known as preterm birth, is when a baby is born earlier than usual, before 37 weeks of pregnancy. Because premature babies are born early, they have not had as much time as usual in …

  4. Preterm birth - Wikipedia

    Preterm birth, also known as premature birth, is the birth of a baby at fewer than 37 weeks gestational age, as opposed to full-term delivery at approximately 40 weeks. [1]

  5. Prematurity - Stanford Medicine Children's Health

    A baby born before 37 weeks of pregnancy is considered premature or born too early. Learn more about prematurity, including causes, risks, symptoms, diagnosis, and treatment.

  6. PREMATURE Definition & Meaning - Merriam-Webster

    The meaning of PREMATURE is happening, arriving, existing, or performed before the proper, usual, or intended time; especially : born after a gestation period of less than 37 weeks.

  7. Quick Facts:Preterm (Premature) Baby - Merck Manual Consumer ...

    A preterm baby, also called a premature baby, is a baby who is born too early. A full pregnancy lasts 37 to 40 weeks, so a preterm baby is born anytime before the 37th week of pregnancy.