[1] This goes beyond the traditional father–mother model, and the third party's involvement is limited to the reproductive process and does not extend into the raising of the child.
[citation needed] A donor treatment is where gametes, i.e. sperm, ova or embryos are provided, or 'donated' by a third party for the purpose of third-party reproduction.
Surrogacy includes, in its wider sense, all situations where a surrogate carries a pregnancy for another person.
Recently, there has been a tendency to separate the gestational carrier situation from the "true" surrogate restricting the term for a woman who provides a combination of ovum donation and gestational carrier services.
The surrogate is inseminated, conceives, and hands over the baby at the completion of the pregnancy.