The most common cause of delayed umbilical cord separation is: (A) Raspbery tumour, (B) Leukocyte adhesion deficiency, (C) Patent urachus, (D) Umbilical granuloma
Answer is B. Leukocyte adhesion deficiency may present with recurrent bacterial infections, defects in neutrophil adhesion, and a delay in umbilical cord sloughing. All other options given are various umbilical pathologies, but not related to delayed sloughing of cord