Funding for this research was provided by:
Eunice Kennedy Shriver National Institute of Child Health and Human Development (HHSN275200800013C; HHSN275200800002I; HHSN27500006; HHSN275200800003IC; HHSN275200800014C; HHSN275200800012C; HHSN275200800028C; HHSN275201000009C, HHSN27500008 and HHSN2752911999911)
NIH Office of the Director
National Center on Minority Health and Health Disparities
National Institute of Diabetes and Digestive and Kidney Diseases
Received: 27 March 2020
Accepted: 23 June 2020
First Online: 13 July 2020
Ethics approval and consent to participate
: The study was approved by institutional review boards at the NICHD, all participating clinical and laboratory sites, and the data coordinating centers. All pregnant women participated after giving informed consent.
: Not applicable
: The authors declare that they have no competing interests.