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.

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.: https://ift.tt/2A9fhI3 Read more... https://ift.tt/2QPKw0l