My son and my best friend’s son had the exact same rare birthmark – I thought my husband had betrayed me, but the truth turned out to be far worse.

after reviewing family medical questionnaires.

He specifically requested a substitute donor from a maternal line that carried a rare hereditary crescent-shaped nevus that appeared behind the left ear or along the scalp line in several members of his own family.

He wrote that he was making the request because he wanted future grandchildren to show familiar continue reading …