Sperm donors traditionally remain anonymous, but are assigned a number. Through the Donor Sibling Registry, parents of children conceived by a single donor can get in touch with each other.
Tell us: Have you reached out to your child's half-siblings, or your own?
Guests:
Susan Hollander, counselor for donor families. Her donor-conceived son met his half-sister on the Donor Sibling Registry.
Wendy Kramer, founder of Donor Sibling Registry
Liza Mundy, Washington Post staff writer
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