Rana Hussain, Farzana Nasir, Nazia Hashim, Sonia Naqvi.
Subfertility; Aetiological Factors.
Professional Med J Jan ;24(7):1012-5.

Objectives: To determine the frequency of different aetiological factors responsible for subfertility. Study Design: Cross sectional descriptive case series. Setting: Baqai institute of reproduction and developmental sciences (BIRDS). Period: January 2013- December 2013. Methods: All the couples presented with subfertility and had undergone the required investigations were included in this study. Results: Among 982 couples majority 730(74.33%) had primary and 252(25.66%) had secondary subfertility. Female factors were responsible in 44.60%, male in 34.31%, combined in 19.85% and unexplained in 1.22%. The most frequent cause of female subfertility was anovulation found in 50.39% followed by tubal blockage in 47.39%. Among male factors39.84% had asthenospermia while 19.92% had oligospermia, 12.96% had obstructive azospermia. Conclusion: Significant number of females with primary subfertility had anovulation while majority with secondary subfertility had tubal blockage. Male factors were also predominent cause of subfertility. In most of the couples ARTs are the only means to achieve a child.

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