Sperm Head Surface Area as an Individual Characteristic of a Donor's Sperm

Sperm donor anonymity and compensation: an experiment with American sperm donors

Most sperm donation that occurs in the USA proceeds through anonymous donation. While some clinics make the identity of the sperm donor available to a donor-conceived child at age 18 as part of 'open identification' or 'identity release programs,' no US law requires clinics to do so, and the majority of individuals do not use these programs. By contrast, in many parts of the world, there have b...

Withdrawal of consent by sperm donors.

Cadmium as an etiology of sperm dysfunction in Holstein bulls

Oxidative stress has been identified as a crucial factor leading to male infertility largely due to peroxidativedamage to the sperm cell membrane. Cadmium (Cd) is a widespread environmental pollutant and oneof the well-known reproductive toxicants. Because of its long biological half-life (10–30 years), Cdaccumulates in the biological systems. The present study was designed to assess the concen...

Screening sperm donors for cystic fibrosis.

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Why not donate sperm? A study of potential donors.

In a between-group study, men were much more likely to profess willingness to donate sperm if it would be used solely for research purposes (67% yes) than if it would be used for reproduction through the process of donor insemination (24%). Offered several reasons why one might be willing to be a sperm donor, men nominated “money” and “helping out a couple in need” most often and “the chance to...