Lloyd received his medical education at the Middlesex Hospital. After obtaining his FRCS he moved into obstetrics and gynaecology and indeed became an eminent Fellow of the Royal College of Obstetricians and Gynaecologists. He was gynaecological and obstetrical surgeon to the United Cambridge Hospitals, and consultant gynaecological surgeon to the Royston and District Hospital. He was examiner in obstetrics and gynaecology to the Universities of Cambridge and Birmingham, associate examiner in obstetrics and gynaecology to London University and an external examiner in these subjects to Trinity College, Dublin, as well as examiner to the Central Midwives' Board and to the Midwives' Conjoint Board. He was a member of council of the Royal College of Obstetricians and Gynaecologists and President of the East Anglian Obstetrical and Gynaecological Society. He died on 12 November 1994, survived by his nephew John Mervyn Lloyd, who is also a Fellow of the College.