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Fig. 12 | Basic and Clinical Andrology

Fig. 12

From: On the descent of the epididymo-testicular unit, cryptorchidism, and prevention of infertility

Fig. 12

Dominant role of Ad spermatogonia in predicting fertility outcome is outlined. + + / − −; strong correlation; +/− significant correlation. Ad CDT (scrotal testis) is the best predictor of future fertility. Ad UDT (undescended testis) is a decisive factor for supporting an FSH negative feedback mechanism. GCT UDT (total germ cell count in undescended testis) and GCT CDT (total germ cell count in scrotal testis) have no direct influence either on the sperm count or on the plasma FSH level

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