How long will my baby have an umbilical stump?

Usually for a week or so. A baby’s umbilical cord will gradually drop off within a week. In the meantime, keep it clean and dry at all times. Simply dampen a cotton wool or bud with cooled boiled water to clean the cord. Clean in an upwards motion from the base and changing to a new clean piece after each bath or when it is wet. Information taken from: http://www.kkh.com.sg/HealthPedia/Pages/PregnancyAfterGoingHome.aspx