Related Experiment Video
Updated: Jun 16, 2026

10:41
Germ Cell Transplantation and Testis Tissue Xenografting in Mice
Published on: February 6, 2012
Why donor candidates drop out or withdraw from the sperm donation process
Guido Pennings1, Josephine G Lemmen2, Emilie Lassen2
1Bioethics Institute Ghent (BIG), Ghent University, Department of Philosophy and Moral Science, Blandijnberg 2, B-9000 Gent, Belgium.
Summary
Many sperm donor candidates withdraw due to unforeseen social, ethical, and personal consequences. Insufficient prior consideration of these complex aspects often leads to donor candidate dropout.
Area of Science:
- Reproductive Medicine
- Psychology
- Sociology
Background:
- Donor candidate withdrawal significantly impacts sperm bank operations.
- Understanding reasons for dropout is crucial for improving donor retention.
Purpose of the Study:
- To investigate the primary reasons behind sperm donor candidate dropout and withdrawal.
- To identify factors contributing to the decision-making process of potential sperm donors.
Main Methods:
- A survey was conducted among 36 individuals who withdrew or dropped out from the sperm donation process.
- Respondents provided insights into their motivations, doubts, and reasons for cessation.
Main Results:
- Over 55% realized the social, ethical, and personal consequences were more complex than anticipated.
- Around 40% feared future regret or partner disapproval; 38.9% lost motivation.
- Impulsive decisions and practical issues like compensation and time commitment also played a role.
Conclusions:
- Misconceptions about sperm donation and inadequate consideration of psychosocial aspects contribute to candidate loss.
- Sperm banks may have limited ability to prevent withdrawal once candidates have concerns.
Related Concept Videos
Spermatogenesis
Spermatogenesis is the process by which haploid sperm cells are produced in the male testes. It starts with stem cells located close to the outer rim of seminiferous tubules. These spermatogonial stem cells divide asymmetrically to give rise to additional stem cells (meaning that these structures “self-renew”), as well as sperm progenitors, called spermatocytes. Importantly, this method of asymmetric mitotic division maintains a population of spermatogonial stem cells in the male reproductive...
Longitudinal Research
Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
Bone Marrow Sampling and Transplants
Bone marrow transplant is a potential cure for several diseases, including cancer and specific genetic disorders. Notably, this procedure is applicable for patients suffering from aplastic anemia, certain types of leukemia, severe combined immunodeficiency disease (SCID), Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, thalassemia, sickle-cell disease, and certain cancers.
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy the...
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy the...
Sperm Transport
The journey of sperm from its origin to the point of ejaculation begins within the seminiferous tubules of the testis. Here, Sertoli cells produce fluid that propels non-motile sperm through a series of conduits, starting with the straight tubules leading to the rete testis. This interconnected network of tubules acts as the initial pathway for sperm, guiding them into the efferent ductules and then into the epididymis for maturation.
The maturation phase occurs in the epididymis, where sperm...
The maturation phase occurs in the epididymis, where sperm...
Infertility in Males
Male infertility affects millions of couples worldwide, arising from various factors that impact different stages of the reproductive process. An endocrine imbalance resulting from conditions like hypogonadism, Klinefelter syndrome, or pituitary disorders can disrupt hormone levels and reduce sperm production. Testicular defects, such as tumors, cryptorchidism, atrophic testes, abnormal sperm morphology, and low sperm count or motility, may arise due to genetic factors, structural...
Kidney Transplant I: Introduction
A kidney transplant is a surgical approach that involves replacing a non-functioning kidney with a healthy one from a donor. This procedure is often a treatment option for end-stage renal disease (ESRD) patients. The method requires careful recipient selection, including evaluating various medical and psychosocial factors. These criteria vary between transplant centers but generally include assessments of the patient's overall health, adherence to medical recommendations, and lifestyle...

