[Risk factors of pregnancy termination at second and third trimester in women with scarred uterus and placenta previa].

Objective: To investigate the risk factors of pregnancy termination at second and third trimester in women with scarred uterus and placenta previa.

Methods: Clinical data of 24 pregnant women of second and third trimester with a scarred uterus and placenta previa,who requested termination in Women's Hospital Zhejiang University School of Medicine from July 2009 to June 2014, were retrospectively analyzed. The method of mifepristone combined with ethacridine lactate was adopted for all cases.