(I) Preparation before imaging
1. Choose the 3rd to 7th day after the menstrual cycle. If the menstrual cycle is not allowed, it can be postponed or advanced.
2. No history of sexual intercourse after menstruation and before imaging.
3, negative for trichomonas and mycobacteria (if positive, the test should be negative for three menstrual cycles after treatment) and cervical cleanliness PC within “+” (if PC is “++”, the test should be repeated one day after stopping vaginal medication for three days. (If the PC is “+/-“, it should be rechecked as “+/-” one day after stopping the vaginal medication for three days).
4. In case of habitual abortion, if the cervical insufficiency is checked, the imaging should be performed only after the basic body temperature has risen for three days.
5.The vaginal examination record of the month is required before the procedure.
6.Temperature measurement on the day of surgery, if >37.5℃, no imaging.
7.Empty urine before surgery.
8.Get the medical history and check the name and X-ray number before the procedure.
(B) Imaging steps
1.Fluoroscopy before imaging, and if necessary, take a pelvic plain film.
2, routine disinfection of the vulva and vagina, and spreading of towels.
3.Gynecological double examination to understand the position of the cervix and uterine cavity and the presence of pressure pain.
4.Placement of the speculum.
5, disinfection of the vagina and cervix.
6.Plug the contrast tip filled with contrast agent to the external cervical opening or place the balloon catheter into the internal cervical opening.
7. Slowly injecting the contrast medium under fluoroscopy into the uterine cavity and/or fallopian tubes to show satisfactory radiographs.
8.If the contrast agent is found to backflow into the interstitium or blood vessels, the imaging should be stopped immediately and further treated according to different situations.
(C) Image display requirements
1.The uterine cavity and/or the fallopian tubes should be clearly shown in outline and shape.
2. Satisfactory contrast.
(4) Accurate photography position and location, including the upper and lower left and right margins of the small pelvis and the area of interest.
(E) Film taking requirements
1.Take a pelvic plain film before imaging (if necessary).
2.Slowly inject the contrast agent under fluoroscopy to the uterine cavity and/or fallopian tubes and take the film after satisfactory display.
3.If the contrast agent is iodized oil, a review film will be taken 24 hours later (for iodized water, a review film will be taken about 20 minutes after the film is taken).
4.Add oblique films if necessary.
5.The examinee’s data must include the month and year, examination number, hospital name and patient’s name in the following order: (1) month and year (2) right (3) examination number (4) hospital name (5) technician code (6) imaging time, and must also include the patient’s name (handwritten mark if the equipment does not support it for the time being).
(F) Post-examination precautions
1.Contrast agent reaction-related precautions.
2.Appropriate prophylactic application of antibiotics for those who have contrast agent into the interstitium and blood vessels.
3.After contrast, the patient is instructed to forbid sexual intercourse and bathing for half a month; promptly wash the vulva with disinfectant medication.