Kittens will not die if their umbilical cord is not severed. When a kitten is born, the umbilical cord is connected to the placenta. The mother cat will bite the umbilical cord when licking the kitten. If the mother cat consumes a lot of energy during childbirth and does not treat the kitten in time, The breeder does not need to worry if the cat bites off the umbilical cord. The kitten will not die. At this time, scissors can be used to help the kitten cut off the umbilical cord. After cutting, press for 3-5 minutes to help coagulation.