| If she does not conceive naturally within 6-8 months, she should have tubal patency tests for the existing tube. |
| Consequently, aggressive endovascular and surgical techniques may be required to restore vessel patency and to preserve neurological function. |
| Percutaneous transhepatic cholangiography can also be performed to demonstrate the patency of the common bile duct. |
| But the possibility of natural conception depends on the tubal patency and ovulatory function. |
| It allows an exact x-ray contrast image to be made of the uterine cavity and the fallopian tubes and is used as a simple test for tubal patency. |
| Fallopian tube patency can be confirmed by detecting an enhanced signal after instilling microbubbles into the uterine cavity. |
