Gladys Helen Marchant trained in India and gained the MB, BS Calcutta in 1916. In 1922 she passed the Conjoint Examination as well as the DOMS. In 1923 she gained the Fellowship of the Royal College of Surgeons of Edinburgh. She passed the MD Lausanne in 1927, and in 1928 she gained the Fellowship of the Royal College of Surgeons of England. In 1937 she became a Member and in 1943 a Fellow of the Royal College of Obstetricians and Gynaecologists. Gladys Helen Marchant was Professor of Obstetrics and Gynaecology at King George Medical College, Lucknow. She was Professor of Anatomy at Lady Hardinge Medical College, New Delhi. She died on 9 May 1969.