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Updated: Jul 15, 2026
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Sperm Collection of Differential Quality Using Density Gradient Centrifugation
Published on: November 29, 2018
Procedure control and acceptance sampling plans for donor sperm banks: a theoretical study
Jose Antonio Castilla1, Maria Sánchez-León, Antonio Garrido
1Unidad Reproducción, HU Virgen de las Nieves, Avda Coronel Munoz s/n, 181014, Granada, Spain. josea.castilla.sspa@juntadeandalucia.es
Cell and Tissue Banking
|April 19, 2007
Summary
Establishing clear quality control guidelines ensures donor and sperm sample integrity in sperm banks. This study proposes criteria for accepting donors and frozen sperm to guarantee sample homogeneity and safety, meeting European Directive standards.
Area of Science:
- Reproductive Medicine
- Biotechnology
- Quality Management
Background:
- European Directive 2004/23/EC mandates quality control systems for human cells and tissues.
- Sperm banks must ensure the quality and safety of donated sperm and all processing procedures.
Purpose of the Study:
- To establish guidelines for ensuring the quality of sperm donors and frozen specimens.
- To ensure the homogeneity of sperm samples supplied by sperm banks.
- To define clear acceptance criteria for donors and frozen sperm.
Main Methods:
- Describing acceptance criteria for donors and frozen sperm, considering analytical and biological variations in semen parameters.
- Developing a sampling plan to assess the homogeneity of all straws from a single donor.
- Defining acceptance control criteria for frozen specimens and donors.
Main Results:
- Evaluating a single frozen sperm straw does not guarantee the homogeneity of all straws from a donor.
- A sampling plan is necessary to account for all straws from a donor.
- Acceptance criteria depend on quality levels and acceptable defect rates, involving risks for banks and clients.
Conclusions:
- Implementing defined acceptance criteria for donors and frozen sperm is crucial for sperm bank operations.
- These criteria aid in controlling procedures and ensuring the quality and safety of donated gametes.
- The proposed guidelines support compliance with European quality and safety standards for reproductive tissues.
