Earlier this year, a 9-year-old schoolgirl in northeast China gave birth to a healthy baby boy. In 2008, another 10-year-old girl in Idaho, who got pregnant at age 9, carried a baby to term. And back in 1939, as TIME reported, Lina Medina of Peru, became pregnant at the age of 5 years, 8 months, and became a mother by age 6 years, 5 months.
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