But today the psychological advice has changed: many parents now tell children who are the result of donor sperm where they came from.

The development opens up the possibility of infertile men being able to father their own children rather than using donor sperm.

In the case of an impotent male, donor sperm may be used.

Women who do not have a partner will need to use donor sperm.

A woman planning to conceive without a male partner can also use donor sperm.

Single women and coupled lesbians are not permitted to have treatment using donor sperm.

In some cases, he added, Jewish law would also permit the use of third-party donor sperm.

This is also true for women using donor sperm.

For example, some jurisdictions do not allow unmarried women to receive donor sperm.

Sweden now has an 18 month long waiting list for donor sperm.