Not many people are aware of embryo donation/adoption (even though its been going for years, given the tens of thousands of frozen embryos from IVF currently in storage).
Some clinics are unwilling to be involved in anything other than strictly anonymous embryo donation--which, in my opinion, is definitely not in the best interest of the children, who are very likely to be extremely curious about their donors (and siblings as well), but who will never be able to locate them in the future.
Other clinics and agencies treat the arrangement like a regular adoption--requiring "homestudies" of the recipients and, in some cases, encouraging the donors and recipients to meet one another prior to the donation taking place.
In still other circumstances, the agencies/clinics facilitate a partially open relationship between the two parties and contact is generally limited to child's desire for contact, or changes in the donor's medical history.
Congratulations to Liz Krainman www.wishingonasnowflake.com, and Libby Kranz--not to mention People Magazine and Good Morning America! www.people.com/article/embryo-adoption-liz-krainman