Royal College of Obstetricians and Gynaecologists.

The Royal College of Obstetricians and Gynaecologists (RCOG) is a professional association based in London, United Kingdom. Its members, including people with and without medical degrees, work in the field of obstetrics and gynaecology, that is, pregnancy, childbirth, and female sexual and reproductive health. The college has over 16,000 members in over 100 countries with nearly 50% of those residing outside the British Isles. Catherine, Princess of Wales became the RCOG's patron in 2018.