Assertion: amenorrhea's period | /r/HasProperty | caused in adolescent
Facets:
value: by changes in environment
type: CAUSE
value: by stress
type: CAUSE
value: usually
type: DEGREE
Source sentences:
text: Missed periods are usually caused in adolescents by stress and changes in environment.
text: Missed periods are usually caused in adolescents by stress and changes in environment.
text: Missed periods are usually caused in adolescents by stress and changes in environment.