5Das S, Nardo LG, Seif MW. Proximal tubal disease: the place for tubal cannulation[J]. Reprod Biomed Online, 2007, 15 (5) : 383-388.
6National Znsfitute for Health and Cninical for Women's and Children's Health(UK). Fertility~ Assessment and Treatment for People with Fertility ProblemsEJl. Rcog Res, 2013,1 (4) 21 28.
7Deichert U, Schlief R, van de Sandt M, et al. Transvaginal hysterosalpingo-contrast-sonography ( Hy Co-Sy) compared with conventional tubal diagnostics[J]. Hum Reprod, 1989,4 (4) :418-24.
8Schlief R, Deichert U. Hysterosalpingo contrast sonography of the uterus and fallopian tubes: results of a clinical trial of a new contrast medium in 120 patients[J]. Radiology, 1991,178 (1) ~213-215.
9Saunders RD, Shwayder JM, Nakajima ST. Current methods of tubal patency asscssment[J]. Fertil Steril, 2011,95(7) 2171-2179.
10Soares SR, dos Reis MMBB, Camargos AF. Diagnostic accu racy of sonohysterography, transvaginal sonography, and hys- terosalpingography in patients with uterine cavity diseases[J]. Fertil Steril,2000,73(2) :406-411.