Stacey Ferguson, Corie Driscoll and Angela Tilghman participate in a round table discussion about parenting hosted by Michele Norris at NPR's headquarters in Washington, D.C. Emily Bogle/NPR hide caption

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Dr. Sandrine Courtial examines 3.5-month-old Ayline Alhas at the Centre de Protection Maternelle et Infantile (PMI) in Savigny-sur-Orge, France, before giving her a vaccination. Ayline's mother, Melissa, has been bringing her in for free well-child check-ups since her birth. Olivier Pascaud for NPR hide caption

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Zac and Penny Johnson's son Henry is 4, but they still have his hospital blanket in a box with other keepsakes. Zac remembers bringing one of these blankets home to their dog Daisy to smell, in anticipation of Henry's homecoming. Andrea Hsu/NPR hide caption

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The lobby of the Shanghai Ji Ai Genetics and IVF Institute is filled with clients waiting to see doctors. Andrea Hsu/NPR hide caption

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