Tubal block constitutes what percentage of tubal infeility
Correct Answer: 30-35%
Description: Tubal factors. One of the most impoant and common causes of infeility is salpingitis, when as a result of inflammation, adhesions form around the abdominal ostium, while within the lumen of the tube, the plicae become adherent, blocking the passage in the tube. Gonorrhoea and chlamydial infections or salpingitis following septic aboion and puerperal infections are amongst the common causes of blockage of the fallopian tubes. Tuberculosis has already been mentioned, and endometrial biopsy shows that 5% asymptomatic infeile women suffer from genital tuberculosis. Apa from tubal blockage, peritubal adhesions and fimbrial end blockage can cause infeility. Westorm observed that one episode of tubal infection leads to tubal blockage in 12% cases. The incidence increases to 23% after two episodes of PID and 54% following three episodes Ref : Shaw textbook of gynecology 16th edition Pgno : 280
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