Pediatrics General 4da46f58 Umbilical cord becomes black in ? A 2-3 days B 5-7 days C 7-10 days D 10-14 days High-Yield Explanation Ans. is 'a' i.e., 2-3 daysThe cord becomes brownish black within 2 or 3 days after bih.It falls off in about 10-14 days.