“If someone is showing signs of puberty before age eight they should talk to their doctor about it, and if they haven’t had a period by age 15 they should also

“If someone is showing signs of puberty before age eight they should talk to their doctor about it, and if they haven’t had a period by age 15 they should also talk to their doctor about it,” she said." Are you sure that MOST started at 15-16? Because the article also says: "They found that women born in the oldest bracket, between 1950-1969, got their period at 12.5 years old on average, compared to 11.9 years old for the youngest group, born between 2000-2005." Neither of these two pieces from the article support your anecdotal notes.