Assertion: puberty | /r/CapableOf | occur sex hormone — estrogen
Facets:
value: in testosterone
type: OTHER
value: in boys
type: OTHER
value: in girls
type: OTHER
Source sentences:
text: Puberty occurs when a part of the brain called the hypothalamus begins to produce a hormone (gonadotropin) that has an effect on the testes and ovaries causing an increase sex hormone — estrogen in girls and testosterone in boys.