menarche

IPA: mʌnˈɑrki

Examples of "menarche" in Sentences

The onset of menstruation, called menarche, happens at puberty.
Could it be that earlier menarche is actually more normal than later menarche?
AdvertisementMost girls get their first menstrual period, called menarche, between the ages of nine and 16.
It also explains the functioning of hypothalamo - pituitary - gonadal-uterine axis and phenomena such as menarche and menopause.
A new study suggests that the earlier a woman reached this milestone of puberty, called menarche, the slightly faster her kids will grow.
And he's right: though they can be affected by such factors as weight, physical activity, and environmental toxins, the average age of menarche is around twelve and a half, and the average age of spermarche is around fourteen.
The manga deals with topics of importance to adolescents, especially girls, such as menarche, the growth of breasts (and the acquisition of a brassiere), new hair growth, as well as more social matters; all of these are illustrated in appropriate detail.
Probably, mens and womens opinions on the number of kids they want is irrelevant (biologically speaking) because reproduction is a bye-product of sex, and the family size is determined mainly by female factors such as menarche, menopause, and breast feeding (which spaces-out the children) - plus infanticide/abandonment as a last resort.