<prompt> Umbilical cord usually separates in newborns on:Day 1Day 2-3Day 7-10After 1 month  <response>: Ans. C. Day 7-10Umbilical cord is the connection between the mother and the fetus in the intrauterine stage and includes two arteries and one vein. It usually separates in children between day 7-10, either by dry gangrene or a residual moist base. 