Changes

The first data on development of retractile foreskin were provided in 1949 by the famous British paediatrician, [[Douglas Gairdner]].<ref name="Gairdner">{{REFjournal |last=Gairdner |init=D |author-link=Douglas Gairdner |title=The fate of the foreskin: a study of circumcision |journal=Br Med J |volume=2 |issue= |pages=1433-7 |url=https://europepmc.org/backend/ptpmcrender.fcgi?accid=PMC2051968&blobtype=pdf |quote= |pubmedID=15408299 |pubmedCID=2051968 |DOI=10.1136/bmj.2.4642.1433 |date=1949 |accessdate=GairdnerDM1949}}</ref> His data have been incorporated into many textbooks and is still being repeated in the medical literature today. [[Douglas Gairdner|Gairdner]] said that 80 percent of boys should have a retractable foreskin by the age of two years, and 90 percent of boys should have a retractable prepuce by the age of three years.<ref name="Gairdner"/>