Study Shows Which Kids Are Getting Periods Younger Than Others

Science Friday - Ein Podcast von Science Friday and WNYC Studios

Podimo 90!!! Tage kostenlos! testen

Ein Universum voller exklusiver Podcasts und Hörbücher. Klicken Sie hier um loszulegen!

The age of first menstruation trended downward from 1950 to 2005, but more so among low-income kids and kids of color.