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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 - 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] Extreme preterm [2] is less than …

  3. 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.

  4. 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 …

  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. Preterm Birth | Maternal Infant Health | CDC

    Nov 8, 2024 · Preterm birth is when a baby is born too early, before 37 weeks of pregnancy have been completed. In 2022, preterm birth affected about 1 of every 10 infants born in the United States. The …

  8. Premature Birth: Causes, Complications and Care | Patient Care

    Nov 19, 2024 · Giving birth before reaching 37 weeks of gestation is considered preterm birth. According to the Centers for Disease Control and Prevention, approximately 10% of all babies born in America …

  9. Content - Health Encyclopedia - University of Rochester ...

    Premature babies are born before their bodies and organ systems have fully matured. These babies are smaller than they would have been if they were born at full term.

  10. Premature infant: MedlinePlus Medical Encyclopedia

    Oct 20, 2024 · A premature infant is a baby born before 37 full weeks of gestation (more than 3 weeks before the due date).