menarche


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menarche

[mə′när·kē]
(physiology)
The onset of menstruation.
References in periodicals archive ?
When the association between these parameters and age at menarche was inspected, it was determined that age at menarche significantly negatively correlated with age at first odd behavior (p=0.
htm) genes known as imprinted genes may help govern the time of menarche.
Age at menarche in relation to antropometric characteristics, competition level and boat category in elite juniors rowers.
Dale, Gerlach, Martin, Alexsander (1979) & Malina, Harper, Avent& Campbell pointed that the girls who don't participate in competitions experienced first menstrual so sooner than classmates' athletes, so there is close relationship between the level of personal activity & age of the first menarche [10].
The Results: The age of menarche wasn't related to the age of first sexual intercourse.
When all cases were compared with controls, and after adjustment for potential confounding effects, an increased ovarian cancer risk was associated with nulliparity, early age at menarche and late age at menopause.
In various studies, it was reported that age of menarche had no significant effect on total hip and LS BMD (22), and LS and FN BMD (10,11) in postmenopausal women.
Age at menarche was described using means and standard deviation.
In the first section, there were questions on the women's demographic information (age, education, family, social security, and occupation), and in the second section, on the women's perception of menstruation, their experience of menarche, their beliefs about, behaviors in regard to, and attitudes towards, menstruation.
It's concluded from this study that athletes attained menarche later than non-athletes.
Young girls are severely affected by a lack of preparation for and negative attitudes about menstruation and menarche.