Menarche

first periodfirst menstrual periodfirst menstruationmenarchalonset of menstruationpremenarcheage at first menstrual periodcoming of agecoming of age celebrationfirst
Menarche (Greek: μήν mēn "month" + ἀρχή arkhē "beginning") is the first menstrual cycle, or first menstrual bleeding, in female humans.wikipedia
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Menstrual cycle

menstrual periodmenstrualmenstruating
Menarche (Greek: μήν mēn "month" + ἀρχή arkhē "beginning") is the first menstrual cycle, or first menstrual bleeding, in female humans.
The first period usually begins between twelve and fifteen years of age, a point in time known as menarche.

Puberty

pubescentpubescencesexual development
From both social and medical perspectives, it is often considered the central event of female puberty, as it signals the possibility of fertility.
The major landmark of puberty for females is menarche, the onset of menstruation, which occurs on average between ages 12 and 13.

Menstruation

periodmensesmenstruating
Menarche (Greek: μήν mēn "month" + ἀρχή arkhē "beginning") is the first menstrual cycle, or first menstrual bleeding, in female humans.
The first period usually begins between twelve and fifteen years of age, a point in time known as menarche.

Estrogen

oestrogenestrogensestrogenic
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.
Thus, estradiol is the most important estrogen in non-pregnant females who are between the menarche and menopause stages of life.

Anovulation

anovulatoryanovulatory cyclesdo not ovulate
In postmenarchal girls, about 80% of the cycles were anovulatory in the first year after menarche, 50% in the third and 10% in the sixth year.
During the first two years after menarche 50% of the menstrual cycles could be anovulatory cycles.

Fertility

fertilemale fertilityfemale fertility
From both social and medical perspectives, it is often considered the central event of female puberty, as it signals the possibility of fertility.
The average age of menarche in the United States is about 12.5 years.

Amenorrhea

amenorrhoeaprimary amenorrheasecondary amenorrhea
When menarche has failed to occur for more than 3 years after thelarche, or beyond 16 years of age, the delay is referred to as primary amenorrhea.
Primary amenorrhoea is defined as an absence of secondary sexual characteristics by age 14 with no menarche or normal secondary sexual characteristics but no menarche by 16 years of age.

Thelarche

breast budbreast budsbreast development
In very rare instances, menarche may occur at an unusually early age, preceding thelarche and other signs of puberty.
Puberty is considered delayed if breast development does not start before age 13 or if a female has not had her first period (menarche) within 3 years of thelarche.

Breast cancer

breastbreast carcinomabreast cancers
According to a review article, there may also be an association between early age at menarche and breast cancer risk.
Risk factors for developing breast cancer include being female, obesity, lack of physical exercise, drinking alcohol, hormone replacement therapy during menopause, ionizing radiation, early age at first menstruation, having children late or not at all, older age, prior history of breast cancer, and family history.

Vaginal bleeding

uterine bleedingwithdrawal bleedingabnormal vaginal bleeding
This is termed isolated premature menarche, but other causes of vaginal bleeding must be investigated and excluded.
Bleeding in children is of concern if it occurs before the expected time of menarche and in the absence of appropriate pubertal development.

Childhood obesity

child obesityobesitychild
Some of the other disorders would include liver disease, early puberty or menarche, eating disorders such as anorexia and bulimia, skin infections, and asthma and other respiratory problems.

Ovulation

ovulateovulatingovulated
In most girls, menarche does not mean that ovulation has occurred.

Red bean rice

sekihanPatbapred beans and rice
When a Japanese girl has her first period, the family sometimes celebrates by eating red-colored rice and beans (sekihan).
In some places it is customarily made when a young woman reaches menarche, although this is less common now than it was in the past.

Ritu Kala Samskaram

a functioncoming-of-age ceremonyRitushuddhi
In some Indian communities, young women are given a special menarche ceremony called Ruthu Sadangu.
Ritusuddhi, also called as Ritu Kala Samskara, is the coming of age ceremony for girls, after menarche or first menstruation.

Precocious puberty

early pubertyCentral precocious pubertyperipheral precocious puberty
Isolated premature menarche is rarely the first manifestation of precocious puberty.

Carrie (novel)

CarrieBilly Nolannovel
The movie is an adaptation of the novel with the same name by Stephen King.
One day, Carrie has her first period while showering after a physical education class; the terrified Carrie has no understanding of menstruation as her mother, who despises everything related to intimacy, never told her about it.

Carrie White

CarrieCarrie White,title character
Carrie White experiences her first period as she showers after the school gym class, and unaware of what is happening to her, she panics and pleads for help, but the other girls respond by bullying her.
At the age of sixteen, she has her first menstrual period in the showers at school, accidentally bursting a light bulb with her telekinetic and telepathic abilities.

Menopause

postmenopausalmenopausalpremenopausal
Menopause is the opposite of menarche, the time when a girl's periods start.

Menstruation hut

menstrual housemenstrual huts
Her mother builds her a menstruation hut to which she confines herself for the remainder of her menses.
During their first menstruation, young Aborigine women in Australia live in menstruation huts built by their mother.

Delayed puberty

delayedpuberty inductiondelayed, reduced, or absent puberty
Furthermore, slowed progression through the Tanner scale or lack of menarche within 3 years of breast development may also be considered delayed puberty.

My Girl (film)

My GirlMeu Primeiro AmorMy Girl'' (film)
Girls experiencing their first period is part of many movies, though not central to their plot, including The Blue Lagoon, My Girl, A Walk on the Moon.
She runs around screaming that she is hemorrhaging until Shelly explains to her that her first period is a completely natural process.

Navajo song ceremonial complex

Blessing WayEnemy WayBlessingway
The Navajo have a celebration called kinaalda (kinn-all-duh).
One of most important Blessing Way rites is the Kinaaldá ceremony, in which a young girl makes the transition to womanhood upon her menarche.

Spermarche

semenarche
It is the counterpart of menarche in girls.

Lina Medina

Gerardo LozadaGerardo Medina
Dr. Edmundo Escomel reported her case in the medical journal La Presse Médicale, including the additional details that her menarche had occurred at eight months of age, in contrast to a past report stating that she had been having regular periods since she was three years old (or 2½ according to a different article).