[بسم الله الرحمن الرحيم

رابط اجنــــــــــــــــبى تانى:

http://www.epigee.org/menstruation/menarche.html

تحت عنوان:
Age of Menarche
Menarche usually occurs about two years after your breasts develop (thelarche) and between 4 and 6 months after the growth of your pubic and underarm hair. The age of menarche in most North American women is around 12 or 13,though your first period can come anytime between 9 and 16,

الملون بالاحمر يعنى:

على الرغم من ذلك دورتك الاولى قذ تأتى فى اى وقت بين 9 و 16 ......