Age boys start puberty 'linked to mothers'
The age at which boys begin puberty is linked to when their mothers started having periods, a study suggests.Mothers who started earlier than their peers had sons who had: • armpit hair two and a half months earlier • acne and voices breaking two months earlier.Their daughters, meanwhile, developed breasts six months earlier.The study, in the Human Reproduction journal, analysed data from nearly 16,000 Danish mothers and children.Mental health One of the authors, Dr Nis Brix, of Aarhus University, Denmark, said: "Whenever a doctor meets a patient with delayed or early onset of puberty, the doctor obtains a family history. "The relationship between the mother's pubertal age and the son's pubertal age has been taken as co...