Lina Medina Vásquez (born 23 September 1933) is a Peruvian woman who became the youngest confirmed mother in history. In 1939, she gave birth at the age of five years, seven months and 21 days. Her son, Gerardo, was born via a caesarean section. Gerardo grew up healthy, and died of bone disease in 1979, aged 40. Medina never publicly revealed the father of her first child. She was less than five years old when she became pregnant. She is also believed to be the youngest documented case of precocious puberty, which is when puberty happens at a very early age.