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 28 April 2019