Missing Black males among preterm births in the US, 1995 to 2019.
Tim A BrucknerSuman ChakrabartiBrenda BustosRalph CatalanoAlison GemmillJoan A CaseyHedwig LeePublished in: PloS one (2024)
Analysis of over 10 million PTBs reveals a persistently low male PTB frequency among NH Black conception cohorts relative to NH white cohorts. Low PTB sex ratios among NH Black births concentrate among subgroups that show an elevated risk of fetal death. PTB sex ratios may serve as an indicator of racial/ethnic and subgroup differences in fetal death, especially among male gestations.