Application of Three- and Four-Dimensional Transperineal Ultrasound in Diagnosis of Pelvic Organ Prolapse by Measuring Area of Levator Hiatus

JIA Hong-jing, DENG Xue-dong, CHEN Xiao-min, CAO Jiao-jiao, MA Lei, LU Bing

Journal of International Obstetrics and Gynecology . 2021, (4): 434 -437 . DOI: 10.12280/gjfckx.20200825