This article needs additional citations for verification. The history and subculture surrounding transgender people in Singapore is substantial. This section does not cite any sources. National service was implemented in 1967, whereby all 18-year-old males were required to train full-time for two or two-and-a-half years, depending on their educational attainment. However due to the difficulty of transitioning early, only a very small percentage of transsexuals in Singapore are actually able to obtain SRS before having to enter National Service. In rare cases, it’s possible for transgender people to be exempted from National Service despite not undergoing sex reassignment surgery. As Singaporean gynaecological surgeons became more skilful, leaders in the field like Prof.