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Late Abdominal Pregnancies (≥20 Weeks Gestation): A Review from 1965 to 2012
Jamie A Hymel1, Dawn S Hughes, Ashita Gehlot
1Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Ark., USA.
Background:
Information about the diagnosis and management of late abdominal pregnancies (≥20 weeks gestation) is limited to case reports and small case series.
Methods:
We performed a literature review of abdominal pregnancies ≥20 weeks gestation from 1965 to November 2012. Excluded were abdominal ectopic pregnancies that did not primarily implant in the peritoneal cavity, including tubal, ovarian, and intraligamentary pregnancies, and those prior to 20 weeks gestation.
Results:
The 31 cases identified were at 30.4 ± 7.4 weeks at diagnosis and 33 ± 8.3 weeks at delivery. The most common sites of placental implantation were uterus or adnexa (47.8%), bowel (30%), and the potential spaces surrounding the uterus (8.7%). There were 5 cases of an intra-abdominal abscess in the 14 patients in whom the placenta had been left in situ. Maternal outcomes were documented in 26 cases with 7 deaths; 27 fetal outcomes were documented in 22 cases with 3 fetal deaths (13.6%).
Conclusion:
An abdominal ectopic pregnancy is an uncommon but serious event and should be considered in all patients until intrauterine gestation is confirmed. Management should be undertaken by an experienced surgical team in a tertiary care facility.
