case-report 2013 Ectopic decidua in pregnancy discovered incidentally during caesarean delivery Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology ·doi:10.3109/01443615.2012.729109 "Ectopic decidua in pregnancy discovered incidentally during caesarean delivery." Journal of Obstetrics and Gynaecology, 33(2), pp. 207–208