Extremely Preterm Birth Outcomes Calculator

This calculator estimates survival and disability outcomes for extremely preterm infants (22 25 weeks) and is only available on our mobile site mobile.nicutools.org.

The original web version can be accessed at the NICHD website

Calculator Algorithm:

Based on a prospectively studied cohort of 4446 extremely premature infants See Reference for Algorithm Details


Tyson JE, Parikh NA, Langer J et al. Intensive Care for Extreme Prematurity: Moving Beyond Gestational Age. N Engl J Med 2008;358:1672-81

Contact this calculator's developers Last Modified 17 July 2012