Rubin test

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Ru·bin test

an obsolete test of patency of the fallopian tubes; a cannula is introduced into the cervix uteri, and carbon dioxide gas is passed through the cannula by means of a syringe with manometer attachment; if the tubes are patent, the escape of gas into the abdominal cavity is evidenced by a high-pitched bubbling sound heard on auscultation over the lower abdomen, or free gas under the diaphragm can be demonstrated by radiograph.

Rubin test

Gynecology A test designed to detect obstruction of the fallopian tubes, which would prevent pregnancy; in the RT, CO2 is blown into the cervix under carefully monitored pressure; if the tube is patent, the CO2 passes into the peritoneal cavity and is absorbed; because the RT merely IDs obstruction, hysterosalpinogography is preferred by many. See Effacement.

Rubin test

[Isidor Clinton Rubin, U.S. physician, 1883–1958]
Transuterine insufflation of the fallopian tubes with carbon dioxide to test their patency. This was the first technique used to determine whether scarring of the fallopian tubes was a cause of infertility in women.


Isidor Clinton, U.S. gynecologist, 1883-1958.
Rubin test - an obsolete test of patency of the fallopian tubes.