Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
a. Pre-eclampsia increases the risk of cerebral palsy directly, and indirectly by increasing preterm birth.
b. By adjusting for preterm birth, we underestimate the overall effect of pre-eclampsia on cerebral palsy.
c. Adjusting for preterm birth causes the estimated effect of pre-eclampsia on cerebral palsy to suffer from both overadjustment and selection bias.
