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Updated: Jul 14, 2026

Isolation of Precursor B-cell Subsets from Umbilical Cord Blood
Published on: April 16, 2013
Umbilical cord blood for newborn DNA identification
Suzanne J Crouch1, Kathleen R Rowell, Sharon O Beiser
1Florida Atlantic University, Boca Raton, FL, USA.
Objective:
To compare umbilical cord blood with newborn heel stick blood for newborn DNA identification.
Design:
Prospective, correlational, comparative analysis utilizing a convenience sample of birth mothers and newborns.
Setting:
Labor and delivery unit in a large, private, not-for-profit community hospital.
Participants:
One hundred thirty four mother/infant dyads participated. Birth mothers were at least 18 years of age and able to read and understand English.
Samples:
Blood samples were collected from each newborn utilizing the umbilical cord and a heel stick. A blood sample was collected from each mother utilizing a finger stick.
Main Outcome Measure:
Computerized short tandem repeat analyses and visual matching to identify positive matches between the umbilical cord blood sample and heel stick sample.
Results:
Umbilical cord blood contains a DNA profile identical to the newborn heel stick sample that can be used to identify a newborn.
Conclusion:
Umbilical cord blood samples are a valid source of newborn DNA identification.
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