Related Experiment Video
Updated: Mar 30, 2026

Determination of Reproductive Competence by Confirming Pubertal Onset and Performing a Fertility Assay in Mice and Rats
Published on: October 13, 2018
Cryptorchidism and Fertility
Helena E Virtanen1, Jorma Toppari2
1Department of Physiology, Institute of Biomedicine, University of Turku, Kiinamyllynkatu 4-8, Turku FI-20520, Finland.
Abstract:
Congenital cryptorchidism, that is, undescended testis, is one of the most common urogenital abnormalities observed in newborn boys. In addition to the congenital form, there is also acquired form of cryptorchidism. Fertility potential of patients with cryptorchidism has been evaluated by testicular histology and volume, semen quality, reproductive hormone levels, time to conception, and paternity rates. Cryptorchidism is associated with abnormalities in testicular development, and early treatment is recommended to optimize the fertility potential of the patients.
Related Concept Videos
Infertility in Males
Spermatogenesis
Infertility in Females
Endometriosis, a condition characterized by abnormal growth of...
The Y Chromosome Determines Maleness
Evolution
Around 300 million years ago, the two sex chromosomes diverged from two identical autosomal chromosomes. Over time, the Y chromosome has lost most of its genes, shrinking in size....
Sex-linked Disorders
Disorders of the Male Reproductive System
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra....

