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A Controlled Study

Peter A. Lee, MD, PhD; Leslie A. O'Leary, PhD; Nancy J. Songer, MS; Michael T. Coughlin, MA; Mark F. Bellinger, MD; Ronald E. LaPorte, PhD

Arch Pediatr Adolesc Med. 1997;151(3):260-263.

Abstract
Objective
To compare paternity among men with former bilateral cryptorchidism (referred to as the bilateral group) with a group of men with former unilateral cryptorchidism (referred to as the unilateral group) and a control group.

Design
Epidemiologic survey of study cohort.

Setting
Large urban pediatric hospital.

Subjects
Men with former bilateral and unilateral cryptorchidism who underwent orchiopexy between 1955 and 1971 at the Children's Hospital of Pittsburgh, Pittsburgh, Pa, and a group of control men have been surveyed by questionnaire concerning paternity and factors related to paternity.

Main Outcome Measure
Paternity.

Results
Among the married men who had bilateral cryptorchidism, 50% had fathered children, compared with 76% in the control group and 74% in the unilateral group. Data were similar when the men who were cohabitating were included with the married men. When men who had married and had attempted paternity were evaluated, 62% of the men in the bilateral group had been able to father children compared with 94% of the control group and 89% of the men in the unilateral group. No relationship was noted between the age of orchiopexy or life-style factors and paternity. Paternity among all groups was related to female-related infertility factors and to the presence of varicoceles.

Conclusions
Paternity was compromised after bilateral cryptorchidism when compared with men with former unilateral cryptorchidism and a control group. Among the bilateral group, infertility is about 3.5 times as frequent than the unilateral group and more than 6 times as frequent among the control group. No correlation was found between age of orchiopexy and paternity for either group.

Arch Pediatr Adolesc Med. 1997;151:260-263

Author Affiliations
From the Departments of Pediatrics (Dr Lee and Ms Songer) and Surgery (Dr Bellinger), University of Pittsburgh School of Medicine, Children's Hospital of Pittsburgh, and the Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh (Drs O'Leary and LaPorte and Mr Coughlin), Pittsburgh, Pa.

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