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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 …

  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. 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]

  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 …

  5. 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).

  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. 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.

  8. 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 …

  9. Preterm labor: What it means, what to watch for, and when to call

    Dec 31, 2025 · Not all early contractions mean labor. Learn what preterm labor looks like, and when to call your provider to keep you and your baby safe.

  10. Caring for a Premature Baby: What Parents Need to Know

    Premature birth occurs in about 11 to 13 percent of pregnancies in the US. Almost 60 percent of twins, triplets, and other multiple deliveries result in preterm births.