[1] Barts Hlth NHS Trust, Royal London Hosp, Gynaecol Serv, London, England
[2] Royal Free London NHS Fdn Trust, Royal Free Hosp, Gynaecol Serv, London, England
[3] Kings Coll London, Fac Life Sci & Med, Sch Life Course & Populat Sci, Dept Women & Childrens Hlth, 6th Floor,Addison House, London SE1 1UL, England
[4] Ectop Pregnancy Trust, London, England
[5] Petals Baby Loss Counselling Char, Cambridge, England
[6] Univ Coll London Hosp NHS Fdn Trust, Gynaecol Diagnost & Treatment Unit, Elizabeth Garrett Anderson Wing, London, England
[7] UCL, Univ Coll Kingdom Elizabeth Garrett Anderson Inst, Fac Populat Hlth Sci, Sch Life & Med Sci,Gynaecol Diagnost Wing, London, England