Definitions

1. adjective

relating to or characteristic of menarche, the first menstrual period in a girl

“The menarchial symptoms often go unnoticed by young girls, but can be significant in terms of reproductive health.”

2. noun

a condition or characteristic associated with menarche

“Early menarchial development has become a significant area of study in adolescent health research.”

3. noun

a condition or characteristic of menarche

“Menarchial changes can be a source of anxiety for many teenage girls.”