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44-515: Bros may refer to: Bros, abbreviation for brothers Bros (British band) , English boy band Bros (Canadian band) , Canadian musical duo and side project of the Sheepdogs Brös , Italian cheese preparation Bros (chocolate bar) , Dutch chocolate bar produced by Nestlé Bros (film) , 2022 American romantic comedy directed by Nicholas Stoller "The Bros" ( The Amazing World of Gumball ) ,

88-534: A celebration called kinaalda (kinn-all-duh). Girls are expected to demonstrate their strength through footraces. The girls make a cornmeal pudding for the tribe to taste. The girls who experience menarche wear special clothes and style their hair like the Navajo goddess " Changing Woman ". The Nuu-chah-nulth (also known as the Nootka) believe that physical endurance is the most important quality in young women. At menarche

132-428: A female role model. Then, and to an extent now, menstruation was a private matter and a girl's menarche was not a community phenomenon. The Ulithi tribe of Micronesia call a girl's menarche kufar . She goes to a menstrual house , where the women bathe her and recite spells. She will have to return to the menstruation hut every time she menstruates. Her parents build her a private hut that she will live in until she

176-569: A male sibling. The female counterpart is a sister . Although the term typically refers to a familial relationship, it is sometimes used endearingly to refer to non-familial relationships. A full brother is a first degree relative . The term brother comes from the Proto-Indo-European *bʰréh₂tēr, which becomes Latin frater , of the same meaning. Sibling warmth or affection between male siblings has been correlated to some more negative effects. In pairs of brothers, higher sibling warmth

220-415: A male youth subculture associated with partying, fraternities, and sport Broe , surname Super Mario Bros. Super Smash Bros. Warner Bros. Brother (disambiguation) Topics referred to by the same term [REDACTED] This disambiguation page lists articles associated with the title Bros . If an internal link led you here, you may wish to change the link to point directly to

264-399: A median age of 12.4 years. This age at menarche is not much different (0.3 years earlier) than that reported for U.S. girls in 1973. Age at menarche for non-Hispanic black girls was significantly earlier than that of white girls at 10%, 25%, and 50% of those who had attained menarche, whereas non-white Mexican American girls were only slightly earlier than the white girls at 25%. Menstruation

308-416: A protective factor. Some studies suggest that girls having an older brother delays the onset of menarche by roughly one year. Research also suggests that the likelihood of being gay increases with the more older brothers a man has. Some analyzers have suggested that a man's attractiveness to a heterosexual woman may increase with the more he resembles her brother, while his unattractiveness may increase

352-615: A similar trend in time, but also similar findings about ethnic, cultural, and environmental effects. The average age of menarche was about 12.7 years in Canada in 2001, and 12.9 in the United Kingdom . A study of girls in Istanbul , Turkey, in 2011 found the median age at menarche to be 12.7 years. In the United States, an analysis of 10,590 women aged 15–44 taken from the 2013–2017 round of

396-670: A television episode Bros Music , record label "Bros" (Wolf Alice song) , a song released by Wolf Alice in 2015 "Bro's" (song) , a song released in 2006 by Panda Bear Baltimore Rock Opera Society , all-volunteer theatrical company located in Baltimore, Maryland, U.S. Dutch Bros. Coffee (NYSE: BROS), American coffee chain See also [ edit ] [REDACTED] Search for "bros" on Misplaced Pages. All pages with titles containing Bros All pages with titles beginning with Bros Bro (disambiguation) Bro culture ,

440-520: A whole and the protagonist does not actually start her first period. Girls experiencing their first period is part of many movies, particularly ones that include coming-of-age plot lines, such as The Blue Lagoon (1980), The Company of Wolves (1984), An Angel at My Table (1990), My Girl (1991), Return to the Blue Lagoon (1991), Eve’s Bayou (1997), and A Walk on the Moon (1999). Menarche

484-412: A woman cannot become pregnant until after menarche. A young age at menarche is not correlated with a young age at first sexual intercourse. When menarche occurs, it confirms that the girl has had a gradual estrogen -induced growth of the uterus , especially the endometrium , and that the "outflow tract" from the uterus, through the cervix to the vagina , is open. When a woman experiences menarche,

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528-422: Is a cultural as well as scientific phenomenon as many societies have specific rituals and cultural norms associated with it. These rituals typically begin at menarche and some are enacted during each menstruation cycle. The rituals are important in determining a status change for girls. Upon menarche and completion of the ritual, they have become a woman as defined by their culture. For young women in many cultures,

572-585: Is a vague term and studies have examined conditions ranging from family tensions or conflict to wartime refugee status with threat to physical survival. The more dire social conditions have been found to be associated with delay of maturation, an effect that may be compounded by dietary inadequacy. There is more uncertainty and mixed evidence as to whether milder degrees of stress or early-life under-nutrition can accelerate puberty in girls as would be predicted by life history theory and demonstrated in many other mammals. The understanding of these environmental effects

616-523: Is bathed in the river at the end of menstruation. When she returns to the village , she is paired with a man who will be her husband. In the United States , some public schools have a sex education program that teaches girls about menstruation and what to expect at the onset of menarche (often this takes place during the fourth grade). Historically menstruation has been a social taboo and girls were taught about menarche and menstruation by their mothers or

660-539: Is central to her dangerous and out of control transformation. This theme is common to horror movies, another notable example being the Canadian horror movie Ginger Snaps (2000), where the protagonist's first period is central to her gradual transformation into a werewolf . The theme of transformation around the menarche is similarly present in Turning Red (2022), although the film also explores other aspects of puberty as

704-452: Is incomplete and the following observations and cautions are relevant: There were few systematic studies of timing of menarche before the later half of the 20th century. Most older estimates of average timing of menarche were based on observation of a small homogeneous population not necessarily representative of the larger population, or based on recall by adult women, which is also susceptible to various forms of error. Most sources agree that

748-404: Is laid out with the following quote: "The friendship of brothers has the characteristics found in that of comrades and in general between people who are like each other, is as much as they belong more to each other and start with a love for each other from their very birth, and in as much as those born to the same parents and brought up together and similarly educated are more akin in character; and

792-523: Is married. In Sri Lanka , an astrologer is contacted to study the alignment of stars when the girl experiences menarche because it is believed that her future can be predicted. The women of the family then gather in her home and scrub her in a ritual bathing ceremony. Her family then throws a familial party at which the girl wears white and may receive gifts. In Ethiopia , Beta Jewish women were separated from male society and sent to menstruation huts during menarche and every menstruation following as

836-403: Is nubility. On the other hand, not every girl follows the typical pattern, and some girls ovulate before the first menstruation . Although unlikely, it is possible for a girl who has engaged in sexual intercourse shortly before her menarche to conceive and become pregnant , which would delay her menarche until after the end of the pregnancy. This goes against the widely held assumption that

880-419: Is related to more risk taking behaviour, although risk taking behaviour is not related to sibling warmth in any other type of sibling pair. The cause of this phenomenon in which sibling warmth is only correlated with risk taking behaviours in brother pairs still is unclear. This finding does, however, suggest that although sibling conflict is a risk factor for risk taking behaviour, sibling warmth does not serve as

924-773: Is termed isolated premature menarche , but other causes of vaginal bleeding must be investigated and excluded. Growth is usually normal. Isolated premature menarche is rarely the first manifestation of precocious puberty . When menarche has failed to occur for more than three years after thelarche, or beyond 16 years of age, the delay is referred to as primary amenorrhea . Certain systemic or chronic illness can delay menarche, such as undiagnosed and untreated celiac disease (which often occurs without gastrointestinal symptoms), asthma , diabetes mellitus type 1 , cystic fibrosis and inflammatory diseases , among others. In some cases, because biochemical tests are not always discriminatory, underlying pathologies are not identified and

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968-483: Is used in many cultures to separate girls from activity with boys, and to begin transition into womanhood. In some cultures, a party, or celebration is thrown to show the girl's transition to womanhood. This party is similar to the quinceañera in Latin America, except that a specific age marks the transition rather than menarche. In Morocco , the girl is thrown a celebration. All of her family members are invited and

1012-447: The CDC's National Survey of Family Growth found a median age of 11.9 years (down from 12.1 in 1995), with a mean of 12.5 years (down from 12.6). Menarche is the culmination of a series of physiological and anatomic processes of puberty : No specific hormonal signal for menarche is known; menarche as a discrete event is thought to be the relatively chance result of the gradual thickening of

1056-468: The association between obesity and timing of menarche; a meta-analysis and systematic review has determined that more studies must be conducted to make any definitive conclusions about this association. Some of the aspects of family structure and function reported to be independently associated with earlier menarche [antenatal and early childhood] Other research has focused on the effect of childhood stress on timing of puberty, especially female. Stress

1100-459: The average age of menarche in girls in modern societies has declined, though the reasons and the degree remain subjects of controversy. From the sixth to the fifteenth centuries in Europe, most women reached menarche on average at about 14, between the ages of 12 and 15. The average age of menarche dropped from 14-15 years in the nineteenth century to 12-13 years in the present, but it seems that girls in

1144-570: The blood associated with menstruation in the Beta Jewish culture was believed to be impure . The Beta Jews built their villages surrounding and near bodies of water specifically for their women to have a place to clean themselves. The menstruation huts were built close to these bodies of water. In Nigeria , the Tiv ethnic group cut four lines into the abdomen of their girls during menarche. The lines are supposed to represent fertility. The Navajo have

1188-423: The blood flow can vary from a slow and spotty discharge to a consistent blood flow for 3–7 days. While the color of the blood does range from a brown to bright red color, this is normal; some women have light periods while others have heavy ones; no two women will have an identical experience. In very rare instances, menarche may occur at an unusually early age, preceding thelarche and other signs of puberty. This

1232-428: The cycles were anovulatory in the first year after menarche, 50% in the third and 10% in the sixth year. Regular ovulation is usually indicated by predictable and consistent intervals between menses, and predictable and consistent patterns of flow (e.g., heaviness or cramping). Continuing ovulation typically requires a body fat percentage of at least 22%. An anthropological term for this state of potential fertility

1276-458: The education of ethics and good actions. When positive characteristics are properly displayed to the younger brother by the older brother, these habits and characteristics are imitated and foster an influential understanding of good ethics and positive actions. Menarche The timing of menarche is influenced by female biology , as well as genetic , environmental factors , and nutritional factors. The mean age of menarche has declined over

1320-528: The endometrium induced by rising but fluctuating pubertal estrogen. The menstruum , or flow , consists of a combination of fresh and clotted blood with endometrial tissue. The initial flow of menarche is usually brighter than mature menstrual flow. It is often scanty in amount and may be very brief, even a single instance of "spotting". Like other menses , menarche may be accompanied by abdominal cramping . In most girls, menarche does not mean that ovulation has occurred. In post-menarchal girls, about 80% of

1364-408: The first menstruation is a marker that signifies a change in status. Post-menarche, the young woman enters a stage called maidenhood, the stage between menarche and marriage. There are cultures that have in past centuries, and in present, practiced rites of passage for a girl experiencing menarche. Canadian psychological researcher Niva Piran claims that menarche or the perceived average age of puberty

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1408-413: The girl is classified as constitutional growth delay . Short stature, delayed growth in height and weight, and/or delayed menarche may be the only clinical manifestations of celiac disease , in absence of any other symptoms. According to a review article, there may also be an association between early age at menarche and breast cancer risk. Studies have been conducted to observe the association of

1452-405: The girl is showered with money and gifts. When a Japanese girl had her first period, the family sometimes celebrated by eating red-colored rice and beans ( sekihan ) . The color of blood and the red of sekihan are not related. All the rice of ancient times of Japan was red. Since rice was precious in ancient Japan (usually, millet was eaten), it was eaten only during the celebration. Sekihan

1496-483: The girl is taken out to sea and left there to swim back. In the horror movie Carrie (1976), an adaptation of the Stephen King novel of the same name , protagonist Carrie White experiences her first period as she showers after the school gym class. Unaware of what is happening to her, she panics and pleads for help, but the other girls respond by bullying her. Carrie's first period unleashes her violent powers and

1540-469: The girls who have menstruated in the past year. The days are split between feasting and private ceremonies reflecting on their new womanly status. In Australia , the Aboriginals treat a girl to "love magic". She is taught the ways of womanhood by the other women in her tribe. Her mother builds her a menstruation hut to which she confines herself for the remainder of her menses. The hut is burned and she

1584-439: The intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Bros&oldid=1184277739 " Category : Disambiguation pages Hidden categories: Short description is different from Wikidata All article disambiguation pages All disambiguation pages Brother A brother ( pl. : brothers or brethren ) is a man or boy who shares one or more parents with another;

1628-402: The last century, but the magnitude of the decline and the factors responsible remain subjects of contention. 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

1672-448: The matter of retaining the action of doing good once imitated: "Once the habits of ethics or immorality become entrenched, they are difficult to break." The good habits that are created by the influence of the older brother become habit in the life of the younger brother and turn out to be seemingly permanent. It is the role of the older brother to be a positive influence on the development of the younger brother's upbringing when it comes to

1716-402: The more his likeness diverges from her brother. Females with a twin or very close-in-age brother, sometimes view him as their male alter ego, or what they would have been like, if they had a Y chromosomes. The book Nicomachean Ethics, Book VIII written by Aristotle in 350 B.C.E., offers a way in which people should view the relationships between biological brothers. The relationship of brothers

1760-563: The nineteenth century had a later age at menarche compared to girls in earlier centuries. A large North American survey reported only a 2–3 month decline from the mid-1970s to the mid-1990s. A 2011 study found that each 1 kg/m increase in childhood body-mass index (BMI) can be expected to result in a 6.5% higher absolute risk of early menarche (before age 12 years). This is called the secular trend. Fewer than 10% of U.S. girls start to menstruate before 11 years of age, and 90% of all U.S. girls are menstruating by 13.8 years of age, with

1804-460: The test of time has been applied most fully and convincingly in their case". For these reasons, it is the job of the older brother to influence the ethics of the younger brother by being a person of good action. Aristotle says "by imitating and reenacting the acts of good people, a child becomes habituated to good action". Over time the younger brother will develop the good actions of the older brother as well and be like him. Aristotle also adds this on

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1848-413: The timing of menarche with various conditions and diseases. Some studies have shown that there may be an association between early or late-age menarche and cardiovascular disease , although the mechanism of the association is not well understood. A systematic review has concluded that early age at menarche is also a risk factor for the insulin resistance condition. There is conflicting evidence regarding

1892-599: The vast majority having it by the time they were 14. There is a later age of onset in Asian populations compared to the West, but it too is changing with time. For example a Korean study in 2011 showed an overall average age of 12.7, with around 20% before age 12, and more than 90% by age 14. A Chinese study from 2014 published in Acta Paediatrica showed similar results (overall average of age 12.8 in 2005 down to age 12.3 in 2014) and

1936-426: Was the tradition of an ancient custom. The celebration was kept a secret from extended family until the rice was served. In some Indian communities, young women are given a special menarche ceremony called Ruthu Sadangu . The Mescalero Apaches place high importance on their menarche ceremony and it is regarded as the most important ritual in their tribe. Each year, there is an eight-day event celebrating all of

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