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Re: Abnormally invasive placenta—Prevalence, risk factors and antenatal suspicion: results from a large population‐based pregnancy cohort study in the Nordic countries
Author(s) -
Jauniaux Eric,
Collins Sally L
Publication year - 2017
Publication title -
bjog: an international journal of obstetrics and gynaecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.157
H-Index - 164
eISSN - 1471-0528
pISSN - 1470-0328
DOI - 10.1111/1471-0528.14284
Subject(s) - obstetrics and gynaecology , medicine , population , obstetrics , family medicine , university hospital , gynecology , pregnancy , genetics , environmental health , biology
Placenta accreta (PA) can be diagnosed antenatally with ultrasound or magnetic resonance imaging (MRI), clinically at delivery and by histopathological examination of hysterectomy or partial myomectomy specimens. In their population-based cohort study in the Nordic countries, Thurn et al (BJOG, 123:1348-55) define abnormally invasive placentation (AIP) as women with delivery by caesarean section (CS) assessed by the obstetrician to have AIP or a vaginal delivery assessed to be AIP requiring blood transfusion and laparotomy. To avoid including cases of common placental retention in their population, they exclude vaginal birth with difficult manual delivery if a laparotomy was not undertaken. Their data set does not include prenatal diagnosis data nor histopathological confirmation of PA