There are always some kinds of records that you just can’t believe. These cases are outside the borders of rational thinking. The youngest mother was a 5 year old Peruvian girl. I thought that it’s just an other urban legend, but the images and the sources convinced me. Ok, a five year old girl is not matured enough to give birth to a child. The absence of puberty, menstrual cycle, proper development of the uterus makes it impossible, but:

Her name was Lina Medina, a Peruvian girl from the Andean village of Ticrapo… Lina’s parents initially thought their daughter had a large abdominal tumor… but Lina was eventually transferred to a hospital in Lima, where she delivered a six-pound baby boy by Cesarean section on 14 May 1939. Lina’s father was temporarily jailed on suspicion of incest, but he was released for a lack of evidence and authorities were never ableto determine who fathered Lina’s child.

By the way, the answers are here: her doctors were stunned as she had been having regular periods since the age of three. According ot her doctor, Escomel, she had an extraordinary hormonal disorder of the pituitary gland.

Jose Sandoval, an obstetrician who took an interest in Lina Medina’s case and authored a book about her in 2002 said that Lina was a psychologically normal child, that she displayed no other unusual medical symptoms, and that she preferred playing with dolls rather than her own child.

peruvian girl
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If you still can’t believe it, take a look at the original article with the images and sources.