Abstract
An approach was made to replace the subjective evaluation of human sperm morphology by an objective method applicable in routine laboratories. 20 patients out of infertile marriages (G2 and G3) were compared with 10 normal, fertile men (G1). Two different methods were used. Highly developed instruments and techniques were used in method 1, and cheap and simple ones, designed for routine laboratories, in method 2. Head area, circumference, length, and maximal midpiece width of 100 spermatozoa/subject were determined by a semi-automatic image analysis system. Head variation and average midpiece width were clearly bigger in G2 and G3 than in G1. As a result, formulae were developed, determining the pathological alteration of sperm head and midpiece for the individual semen. In addition, an objective classification into different sperm types was elaborated. Using the developed formulae, results of methods 1 and 2 are well in agreement. Thus, method 2 is recommended for routine laboratories, allowing an objective and reproducible morphology determination within 30 min.
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