Placenta accreta is associated with IVF pregnancies: a retrospective chart review

Please cite this paper as: Esh‐Broder E, Ariel I, Abas‐Bashir N, Bdolah Y, Hochner Celnikier D. Placenta accreta is associated with IVF pregnancies: a retrospective chart review. BJOG 2011;118:1084–1089. Objective To study the association between placenta accreta (PA) and in vitro fertilisation (IVF) pregnancies. Design Retrospective chart review. Setting Tertiary care centre in Jerusalem, Israel. Sample During January 2004–February 2009, 25 193 deliveries occurred in our hospital, including 752 (3%) deliveries of IVF pregnancies. Methods Placenta accreta was only diagnosed when there were histological findings from the placenta associated with the suitable clinical course. Demographic, obstetrical and fertility characteristics of these patients were retrieved from hospital files. Main outcome measure Rates of PA in pregnancies achieved with IVF versus rates of PA in spontaneous pregnancies. Results The rate of PA in the IVF group was 12/752 (16/1000) pregnancies, compared with 30/24 441 (1.2/1000) among spontaneous pregnancies (P