menarcheal


me·nar·che·al

, menarchial (me-nar'kē-ăl), Pertaining to the menarche.

menarche

(men-ar'ke) [Gr. men, month, + arche, beginning] The initial menstrual period, normally occurring between the 9th and 17th year. See: adrenarche; pubertymenarchalmenarchealmenarchial, adjective