Impact of delayed cord clamping on 5-minute Apgar score and early childhood development at 5 years of age

Project number: 
Approval date: 
Wednesday, March 15, 2017
Principal Investigator: 
University of British Columbia (UBC)
Funding Agency: 
Not Available
Datasets requested: 
Hospital Separations (BC Ministry of Health)
consolidation - census geocodes
Births (BC Vital Statistics Agency)
Consolidation - demographic (Ministry of Health)
Income band (Statistics Canada)
Consolidation registry (Ministry of Health)
Early Development Instrument (Human Early Learning Partnership)
Research objective: 

(1) To evaluate the effect of a policy of early versus delayed cord clamping on the 5 minute Apgar score. Specifically, we propose to examine the association between early vs delayed cord clamping and the rate of 5 minute Apgar score of 9 and 10.
(2) To examine the relationship between 5-minutes Apgar score, specifically Apgar score of 9 vs 10, and developmental vulnerability at 5 years of age.

(1) Policy of delayed cord clamping will reduce the frequency of peripheral cyanosis leading to decrease in rates of 5 minute Apgar scores of 9 and increases in rates of 5 minute Apgar scores of 10.
(2) Children with Apgar scores of 9 are more likely to have developmental vulnerability at 5 years of age, compared with children with an Apgar score of 10.


Journal Publication

Page last revised: September 2, 2019