The Royal College of Obstetricians and Gynaecologists 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.The College's primary object is given as "The encouragement of the study and the advancement of the science and practice of obstetrics and gynaecology", although its governing documents impose no specific restrictions on its operation. Its offices are near Regent's Park in central London.