The Tiniest Babies Registry: A registry of survivors born weighing less than 400  grams

The Tiniest Babies Registry was launched in the year 2000 as a web-based registry for patients who survived to discharge after being born with birth weights below 400  grams. The registry began with 15 patients and by January 2022 had grown to 291, ranging in birth weight from 212 to 399 grams and in gestational age from 21 to 34 weeks. Three patients were born in the 1930s, and no others were born until 1985. The greatest number in a single year was 21 in 2010 . The infants were born in 16 countries, but 166 of 291 (57%) were born in the U.S.
Source: Seminars in Fetal and Neonatal Medicine - Category: Perinatology & Neonatology Authors: Source Type: research