Is Menarche Getting Earlier?

The idea that girls are reaching sexual adolescence earlier than ever before is nothing new - for years, researchers have noticed that women are getting their periods earlier and earlier - the average age for menstruation to start is now 13, compared to 16 or 17 at the turn of the last century.

Why is menarche earlier?

"Thereby, a higher age-specific BMI is contributing to early pubertal onset." But excess weight alone cannot explain this drastic shift, Busch continued. Other factors such as endocrine-disrupting chemicals in the environment also might influence the age of puberty, Busch said.

What does early menarche mean?

Early menarche is usually defined as menarche before the age of 12 years, although some researchers set it at ≤10 or 11 years. ... Furthermore, women who experience menarche before 12 years of age have a 23% higher risk of developing breast cancer than those who first menstruate at 15 years of age or later [6].

Maya Lin-Takahashi

Maya Lin-Takahashi

Consumer Tech & Gadget Reviewer

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.