Onset of puberty in girls has fallen by five years since 1920

No one is sure what is causing the change

PDF) Evidence from Finland and Sweden on the relationship between early-life diseases and lifetime childlessness in men and women

Why do people often mistake child abuse as going through puberty

Junk food causing puberty to hit at age 6: experts – India TV

Physiological Changes in Girls During Puberty - Physiopedia

Association between the onset age of puberty and parental height

Is it alarming if my 13 year old hasn't started puberty yet? All

Why are today's young girls getting their first periods at earlier

Puberty Comes Earlier and Earlier for Girls

Adjusted height velocity by age profiles by birth decade for

One Family's Battle to Avoid Added Hormones – Five Star Home Foods

Normal and Abnormal Growth and Pubertal Development

Why do some people end up looking younger for their age later on