TY  - RPRT
TI  - Retention strategies and participant retention rates among prospective longitudinal pregnancy cohorts: a systematic mapping review.
AU  - Tian Renton
AU  - Mika Hoppe
AU  - Kassi Prisnie
AU  - Nikki Stephenson
AU  - Zahra Clayborne
AU  - Suzanne Tough
AU  - Amy Metcalfe
PY  - 2026
DO  - 10.1016/j.annepidem.2026.110152
UR  - https://pubmed.ncbi.nlm.nih.gov/42402313/
ID  - 42402313
ER  -