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] .

Feb 23, 2024 · A preterm, premature or “preemie” baby is a baby born too early, or about three weeks before their due date. A full-term pregnancy (fetal development) lasts about 40 weeks.

Mar 22, 2024 · 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 …

Was your baby born more than 3 weeks early? Read on for information from the American Academy of Pediatrics about developmental milestones for your preterm baby. Keep in mind …

Jul 15, 2025 · Let's look at how premature babies develop with each passing week so you can better understand your preemie baby's milestones and health needs at each stage.

How doctors characterize a preemie depends on the week your baby was born and his weight. Learn about the different types of premature babies and survival rates.

May 17, 2024 · When babies are born too soon (premature), parents may worry about how their infant will grow and develop. Premature (“preemie”) babies may differ in their growth and …

Premature infants, known as preemies and micropreemies, come into the world earlier than full-term babies. Small babies can be preterm, and in some cases, full-term with very low birth …

Other terms often used for prematurity are preterm and "preemie." Preterm generally refers to the pregnancy (as in preterm labor), while premature is more often used to describe your baby.

About 1 in every 10 infants are born prematurely. Twins and other multiples are more likely to be premature than single birth babies. Many premature babies weigh less than 5 pounds, 8 …