The First Trimester Combined Screening Test in the Indian Population: Insights from a Cohort of 27,647 Pregnancies

ConclusionsWith the current screening protocol, the screen positive rate and the odds of being affected given a positive result (OAPR) for a threshold of 1:250 are 1.8% and 1 in 25 respectively.
Source: Journal of Fetal Medicine - Category: Perinatology & Neonatology Source Type: research