Background: Anomalous adhesions of the placenta, known as placenta accreta and its variants, are the cause of obstetric hemorrhages that put the pregnant woman at risk. Accretism is strongly associated with a history of uterine surgery (cesarean section, myomectomy, curettage), as well as ultrasonographic signs, such as the presence and size of placental lacunae, loss of the placenta/bladder interface, location on the anterior face of the placenta, and presence of Doppler flow; these markers can be assessed by prenatal ultrasound.
Objective: To analyze the association of prenatal diagnosis of placenta accreta by ultrasound with the histopathological result using the Tovbin index.
Material And Methods: Observational, cross-sectional and analytical study. 63 patients who had placenta accreta data by ultrasound measured with the Tovbin index and by means of the histopathological result obtained from the platform of the Mexican Institute for Social Security (IMSS) were included. The association between the two studies with the presence of placenta accreta was analyzed.
Results: 63 patients were analyzed; the Tovbin index was positive in 89% of the patients with a diagnosis of placenta accreta confirmed by histopathology. Both the Tovbin index and the histopathology report showed a statistically significant association with a p value of 0.04 for the diagnosis of placenta accreta.
Conclusion: The Tovbin index as an ultrasonographic prenatal diagnosis of placenta accreta has a statistically significant association with histopathology diagnosis.
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