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  2. Amenorrhea - Wikipedia

    en.wikipedia.org/wiki/Amenorrhea

    Amenorrhea or amenorrhoea is the absence of a menstrual period in a female who has reached reproductive age. [1] Physiological states of amenorrhoea are most commonly seen during pregnancy and lactation ( breastfeeding ).

  3. Menstrual disorder - Wikipedia

    en.wikipedia.org/wiki/Menstrual_disorder

    Amenorrhea, or the absence of menstruation, is subdivided into primary and secondary amenorrhea. In primary amenorrhea, in which there is a failure to menstruate by the age of 16 with normal sexual development or by 14 without normal sexual development, causes can be from developmental abnormalities of the uterus, ovaries, or genital tract, or ...

  4. Functional hypothalamic amenorrhea - Wikipedia

    en.wikipedia.org/wiki/Functional_hypothalamic...

    Functional hypothalamic amenorrhea (FHA) is a form of amenorrhea and chronic anovulation [1] and is one of the most common types of secondary amenorrhea. [2] It is classified as hypogonadotropic hypogonadism. [3] It was previously known as "juvenile hypothalamosis syndrome," prior to the discovery that sexually mature females are equally ...

  5. Oligoamenorrhea - Wikipedia

    en.wikipedia.org/wiki/Oligoamenorrhea

    Oligoamenorrhea, also known as irregular infrequent periods or irregular infrequent menstrual bleeding, is a collective term to refer to both oligomenorrhea (infrequent periods) and amenorrhea (absence of periods). [1] It is a menstrual disorder in which menstrual bleeding occurs on an infrequent and irregular basis.

  6. Exercise amenorrhoea - Wikipedia

    en.wikipedia.org/wiki/Exercise_amenorrhoea

    Exercise amenorrhoea is a diagnosis of exclusion. Girls who exercise at a young age may have primary amenorrhoea.The differential diagnosis are androgen excess, pituitary tumors (rare), tumors of the third ventricle (rare) or other conditions leading to chronic malnutrition.

  7. Lactational amenorrhea - Wikipedia

    en.wikipedia.org/wiki/Lactational_amenorrhea

    Mothers who breastfed exclusively longer showed a longer span of lactational amenorrhea, ranging from an average of 5.3 months in mothers who breastfed exclusively for only two months to an average of 9.6 months in mothers who did so for six months. [10] Another factor shown to affect the length of amenorrhea was the mother's age.

  8. Uterine malformation - Wikipedia

    en.wikipedia.org/wiki/Uterine_malformation

    This condition is also called Mayer-Rokitansky-Kuster-Hauser syndrome. The patient with MRKH syndrome will have primary amenorrhea. Class II—Unicornuate uterus (a one-sided uterus). Rare condition in which a partial or complete lack of one Müllerian duct is present. The uterus has a typical "banana shape" on imaging systems.

  9. Hypoestrogenism - Wikipedia

    en.wikipedia.org/wiki/Hypoestrogenism

    Hypoestrogenism is most commonly found in women who are postmenopausal, have primary ovarian insufficiency (POI), or are presenting with amenorrhea (absence of menstrual periods). Hypoestrogenism includes primarily genitourinary effects, including thinning of the vaginal tissue layers and an increase in vaginal pH .