John D. Lantos, MD provides commentary related to an article published in the June 2018 issue of Pediatrics:

Most of what we think we know about survival rates for infants born at 22 or 23 weeks’ gestational age is probably wrong. It is wrong because of some well-recognized but oddly persistent quirks in the ways that outcome data are collected and reported. Here are some of those quirks:

Click here for more of the commentary

Companion Article: Selection Bias and Outcomes for Preterm Neonates