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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 ).
Lactational amenorrhea, also called postpartum infertility, is the temporary postnatal infertility that occurs when a woman is amenorrheic (not menstruating) and fully breastfeeding. Physiology [ edit ]
Amenorrhea, defined as the cessation of the menstrual cycle for more than three months, is the second disorder in the triad. Weight fluctuations from dietary restrictions and/or excessive exercise affect the hypothalamus' output of gonadotropic hormones.
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 ...
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.
The lactational amenorrhea method (LAM) is a method of avoiding pregnancy based on the natural postpartum infertility that occurs when a woman is amenorrheic and fully breastfeeding. The rules of the method help a woman identify and possibly lengthen her infertile period.
One cause of hypomenorrhea is Asherman's syndrome (intrauterine adhesions), of which hypomenorrhea (or amenorrhea) may be the only apparent sign.The degree of menstrual deficiency is closely correlated to the extent of the adhesions.
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 ...