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Girls havingtheir first period
Forget that serious "menstruation talk" — here's how to really open the lines of communication and help your daughter cope with her first period. That very first period can come as quite a surprise to a young girl. One day she is a carefree youngster; the next, she is a young woman, experiencing the start of menstruation , maybe her first mood swing, and perhaps even other premenstrual PMS symptoms. While it may seem more like a bother than a major event, a girl's first period is a major milestone in her life.


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A Teen's Guide to Her First Period




Period Pain | Menstrual Cramps | MedlinePlus
Acne, awkwardness, body odor—puberty can be a tough time. But things get even more complicated when puberty starts at an exceptionally young age, and today many girls are beginning the process younger than ever before. Puberty begins well before a girl's first menstruation, usually starting when hormone secretion from the brain's pituitary gland spurs the development of breasts and the growth of pubic hair. A few decades ago, doctors were taught that less than 5 percent of girls should be showing such signs of puberty, particularly breast development, before age 8, says Julianna Deardorff at the Berkeley School of Public Health.



‘Turning Red’ Is a Good Conversation Starter — and Not Just for Girls
The age at which young women experience their first menstrual bleeding is linked to the age at which their sons start puberty, according to the largest study to investigate this association in both sons and daughters. The research, which is published today Friday in Human Reproduction , one of the world's leading reproductive medicine journals, looked at 15, children and found that the earlier women had their first period, the earlier their sons started puberty, and the later they had their first period, the later their sons started puberty. The same association was found for daughters but, whereas, it has been known for some time that mothers' age at puberty is associated with their daughters', much less was known about the link with their sons' age at puberty. The authors of the study say their results are consistent with other research that suggests that there is an overlap in the genes that influence the timing of puberty in both sons and daughters. The researchers, based at Aarhus University, Denmark, studied a group of children who were part of the Danish National Birth Cohort and who were born between and





From both social and medical perspectives, it is often considered the central event of female puberty , as it signals the possibility of fertility. Girls experience menarche at different ages. The timing of menarche is influenced by female biology , as well as genetic and environmental factors , especially nutritional factors. The worldwide average age of menarche is very difficult to estimate accurately, and it varies significantly by geographical region, race, ethnicity and other characteristics, and occurs mostly during a span of ages from 8 to 16, with a small percentage of girls having menarche by age 10, and the vast majority having it by the time they were

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