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Umbilical cord - Wikipedia
Umbilical cord care: Do's and don'ts for parents - Mayo Clinic
What is the umbilical cord? - BabyCenter
Umbilical Cord Location, Care & Appearance - Cleveland Clinic
Anatomy, Abdomen and Pelvis: Umbilical Cord - StatPearls ...
Umbilical Cord: Stump Care, When It Falls Off, Infection
From Pregnancy to Birth: A Guide to Umbilical Cord Health