menarche


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menarche

[mə′när·kē]
(physiology)
The onset of menstruation.
References in periodicals archive ?
Also, because they used age at menarche as an indicator of pubertal timing, the investigators said they could not capture the social, emotional, or hormonal processes present earlier in puberty.
that reported children aged 3-4 years with higher vegetable protein intake experienced menarche or voice break approximately 0.5 years later [35].
Early menarche was defined as age at menarche younger than or at 12 years old and late menarche as older than or at 17 years old.
Data about menarche, menopause, pregnancy, and family history of breast cancer was retrieved from the questionnaires that each patient was required to fill before the scan.
When analyzing the relationship between the age of menarche and early first sexual intercourse, Cezimbra (11) concluded that the first sexual intercourse usually occurs after menarche and that the later the menarche, the later the first sexual intercourse.
'Parents usually worry about menarche being too early or too late for their preteens.
The aim of this study was to determine the mean age of pubertal stages of breast development and menarche, and to determine the influence of nutrition and ethnicity on pubertal onset, in primary school girls living in Sokoto, Nigeria.
Demographic details including age, age at menarche, parity and cycle are shown in table-I.
The menarche age, age at first birth was significantly higher, the mean menopause age was lower in PG than CG (p0.05).
Key clinical point: Earlier menarche paired with poor parent supervision is associated with higher alcohol abuse rates.
Lead researcher Dr Alison Behie said reaching menarche at an earlier age increases the number of ovulation cycles a woman will have in her life, and puts her at greater risk of developing reproductive cancers possibly due to increased exposure to hormones such as oestrogen.