In 1939, a mother thought her 5-year-old was possessed because she had a protruding abdomen, so she took her to a doctor and discovered the impossible: she was pregnant. Lina Medina began puberty as a toddler and is the youngest confirmed mother in medical history. The biological father has never been identified. Source
Lina Medina is the youngest documented mother in human history, giving birth at the age of five. Lina was born with a rare condition called "precocious puberty." Precocious puberty is basically the early onset of sexual development. Lina had experienced her first menstrual cycle at the age of eight months. She had fully developed breasts by the age of four.