Making Babies: 21st Century Families In an occasional series, NPR explores how advances in reproductive technology are changing when and how we create families and prompting new debates on the impact — legal, ethical and social.
A yawning newborn.
Special Series

Making Babies: 21st Century Families

NPR explores how advances in reproductive technology are changing when and how we create families.

William Stern holds his daughter, then known as Baby M, in 1987. The Sterns' surrogate tried to keep the baby after she was born. Their court battle became the first public debate about surrogacy. M. Elizabeth Fulford/AP hide caption

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M. Elizabeth Fulford/AP

Kate Donnellon Nail, 43, works out regularly and eats well. She never thought she would have a problem conceiving a child. Anna Kuperberg/www.kuperberg.com hide caption

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Anna Kuperberg/www.kuperberg.com