OBJECTIVE: To evaluate the prevalence of defective placental adhesion (DPA) in voluntary termination of second-trimester pregnancy and the risk of DPA recurrence in subsequent pregnancies. METHODS: We retrospectively reviewed the records of all patients who underwent voluntary second-trimester pregnancy termination in the period between January 2000 and December 2009. In all cases, the fetus and the placenta were submitted to pathological examination accordingly to our clinical protocol. RESULTS: Four hundred twenty-seven cases of voluntary termination of second-trimester pregnancy were included in the study. Ten histologically confirmed cases of placenta accreta were observed (2.3%). Two patients with histological diagnosis of placenta accreta were lost at follow-up. Among the eight remaining patients, six had further pregnancies. Overall, nine pregnancies were recorded, and placenta accreta recurred in one patient. CONCLUSIONS: This study shows that DPA occurs in 2.3% of second-trimester voluntary termination of pregnancy; these patients should have an accurate ultrasound examination of the placenta in subsequent pregnancies.
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