Analysis of the causes of misdiagnosis of abruptio placentae

Objective To study the causes of misdiagnosis of atypical abruptio placentae.Methods The 165 cases of antepartum misdiagnosed abruptio placentae were retrospectively analyzed and compared with 124 cases of antepartum diagnosed group.Results In antepartum misdiagnosed group,predisposing factor of the disease was improper use of oxytocin.Clinical appearances were mainly abnormality of the fetal heart rate monitoring in labor.The area of abruptio placentae and total amount of bleeding were significantly lower than those of antepartum diagnosed group.The total duration of labor in 103 cases was less than 5 hours.Conclusion Improper use of oxytocin is predisposing factor of the disease.The atypical clinical appearances and short active phase of labor are the cause of antepartum misdiagnosed.Atypical abruptio placentae is an important cause of perinatal mortality.