Because tubal, ovarian and broad ligament pregnancies are as difficult to diagnose and treat as abdominal pregnancies, their exclusion from the most common definition of abdominal pregnancy has been debated.[4]
Others—in the minority—are of the view that abdominal pregnancy should be defined by a placenta implanted into the peritoneum.[5]
^Nkusu Nunyalulendho D, Einterz EM (2008). "Advanced abdominal pregnancy: case report and review of 163 cases reported since 1946". Rural Remote Health. 8 (4): 1087. PMID19053177.
^Worley, K. C.; Hnat, M. D.; Cunningham, F. G. (2008). "Advanced extrauterine pregnancy: Diagnostic and therapeutic challenges". American Journal of Obstetrics and Gynecology. 198 (3): 297.e1–7. doi:10.1016/j.ajog.2007.09.044. PMID18313451.
^Mahajan, N. N. (2008). "Advanced extrauterine pregnancy: Diagnostic and therapeutic challenges". American Journal of Obstetrics and Gynecology. 199 (6): e11, author reply e11–2. doi:10.1016/j.ajog.2008.06.024. PMID18639214.