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Fertility world alarm: One sperm donor could have hundreds of biological children

2026-07-30 18:29:08Lifestyle SHKRUAR NGA REDAKSIA VOX
Fertility world alarm: One sperm donor could have hundreds of biological
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The European Society of Human Reproduction is calling for limits on the number of children from a sperm donor: the discovery of hundreds of siblings could be destabilizing for children born from the donation, according to "La Repubblica".

Experts estimate that the number of children born from a sperm donor should not exceed 50, recommending setting clear limits to avoid possible social, psychological and medical consequences.

The risk is the creation of large groups of biological siblings, where people may suddenly discover that they have hundreds of people with the same genetic origin.

The film "Starbuck" tackled this topic with humor, telling the story of a man who discovers that he is the biological father of 533 children, after sperm donations.

But the reality has gone even further: in 2023, a court in Denmark ordered a sperm donor to cease activity after having fathered around 550 offspring.

Health and psychological risks

Experts emphasize that the restrictions are not only related to social issues, but also to medical reasons.

In a community of about 800,000 people, the high number of children from the same donor increases the possibility that two people with unknown biological relationships will form a relationship and have children, unknowingly combining the same genetic material.

Psychologically, researchers warn that the sudden discovery that a person is part of a "tribe" with hundreds of biological siblings, rather than a traditional family, can be difficult to cope with.

The European Society of Human Reproduction and Embryology (ESHRE) has proposed that a sperm donor should not have more than 50 families created from the donation, with the aim of gradually lowering this limit to 15 families or less.

Experts also call for the creation of a European registry to control the number of offspring from each donor.

ESHRE acknowledged that there is no conclusive evidence that children born to donors with multiple offspring suffer direct harm, but argues that a preventative approach should be pursued.

Fertility clinics often prefer donors with high-quality sperm and medical checks, which can lead to repeated use of the same people.

In countries where parents can select for certain characteristics of the donor, some individuals become particularly sought after and the number of their offspring increases rapidly.

Another concern is the discovery of genetic mutations after the birth of many children.

One reported case involved a donor who turned out to have a mutation that increases the risk of cancer; about 200 children had been born from his donations, making it very difficult to track and monitor them.

Frozen sperm is often transported between countries.

This makes national borders not always effective, as a donor may have children in many different countries.

Denmark is one of the leading European countries for medical centers where donated sperm is stored, tested and distributed for use in fertility treatments.

The spread of DNA testing has also meant that many children born through donation can find biological siblings in other countries, creating large family groups previously unknown.

According to experts, restrictions should be imposed now, before the number of offspring from a single donor creates difficult social, psychological and medical problems.


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