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Implementation of the INTERGROWTH-21st Project in the United States
M K Dighe1, I O Frederick, H F Andersen
1Department of Radiology, University of Washington School of Medicine, Seattle, WA, USA.
Summary
This study details the North American site for the INTERGROWTH-21st Project in Seattle, Washington. Researchers faced recruitment challenges but adapted methods to gather crucial fetal and newborn growth data.
Area of Science:
- Maternal and Fetal Health Research
- Global Health Initiatives
- Pediatric Growth Studies
Background:
- The INTERGROWTH-21st Project aims to establish optimal standards for fetal and newborn growth.
- The North American site was established in Seattle, Washington, to contribute to this global research effort.
- Understanding regional variations in growth is crucial for accurate health assessments.
Purpose of the Study:
- To describe the methodology and challenges of the North American site for the INTERGROWTH-21st Project.
- To detail the recruitment strategies for the Newborn Cross-Sectional Study (NCSS) and Fetal Growth Longitudinal Study (FGLS).
- To identify and address barriers to participant recruitment.
Main Methods:
- Data collection occurred in Seattle, Washington, involving two major hospitals for the NCSS.
- The FGLS recruited participants from antenatal clinics affiliated with the University of Washington Medical Center and Providence Everett Medical Center.
- Recruitment strategies included informational flyers and presentations to clinical staff, later enhanced by broader advertising and inclusion of ancillary clinics.
Main Results:
- The Seattle site successfully established recruitment protocols for both NCSS and FGLS.
- Initial challenges, including low FGLS recruitment rates due to high maternal smoking, advanced maternal age, and obesity, were identified.
- Adaptations in recruitment strategies, such as expanding clinic participation and public advertising, were implemented to overcome these challenges.
Conclusions:
- The North American site successfully implemented recruitment strategies for the INTERGROWTH-21st Project.
- Overcoming recruitment barriers required adaptive and multifaceted approaches.
- The data collected contribute to establishing global standards for fetal and newborn growth.
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