To be an egg or sperm donor it is necessary to have a very good oocyte or sperm quality. Karyotype tests, most frequent genetic diseases and sexually transmitted diseases are also performed to guarantee the quality of the gametes.
Finally, an in-depth psychological interview is included to rule out any psychological alteration. Once all these tests have been passed, the candidates will be accepted as egg or sperm donors.
Suggested for you: Psychological Assessment of Egg & Sperm Donors.