The diagnosis and therapy of oviduct obstruction by tube insertion by fiber-hysteroscope;

Objective: To evaluate the clinical value of the treatment of the sterility of the fallopian tube obstruction with interventional therapy.

Objective: To study the methods for resolution of the promixal tubal obstructions during hysterosalpingography and to evaluate and detect the characters of proximal tubal obstruction during hysterosalpingography.