 [ Symptoms ] if one fallopian tube is defective can the other still be viable  the left fallopian tube of my wife is defective can ther other be viable [ Disease ] sure the fallopian tubes operate independently so just because there is a problem with one does not necessarily mean there is a problem with the other each woman normally has two ovaries and two fallopian tubes the tubes catch the woman is egg as the ovary produces it and guides the egg down to the uterus even if you removed one ovaryfallopian tube set the other set should still function normally of course if a particular disease process such as endometriosis has caused one fallopian tube to become non functional then it is possible the other tube is affected in a similar way if your wife has any concerns about fertility and her fallopian tubes she should consult a gynecologist for an exam and further testing i wish you all the best