Susrutha People's Hospital on Instagram: "🌸 Early Menarche: Why Are Girls Getting Periods So Early? In the 1840s, girls usually started their periods around 17 years. By the year 2000, that age dropped to 12 years - and today, many girls experience periods even before 12. This is called Early Menarche. So what's causing this shift? 🔷 Childhood obesity increases body fat, which raises estrogen levels — triggering early periods. 🔷 Junk food, sugary snacks, and processed foods disturb natural ho