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Topic: Amenorrhea

Related Topics

Amenorrhoea

Mullerian agenesis

Menstrual cycle

Anorexia nervosa

Potassium

	InteliHealth:
		Amenorrhea means that a woman of childbearing age fails to menstruate.
		Primary amenorrhea caused by anatomic abnormalities of the reproductive tract cannot be prevented.
		Amenorrhea rarely is caused by a life-threatening condition.
	www.intelihealth.com /IH/ihtIH/WSIHW000/9339/9443.html (1555 words)

	eMedicine - Amenorrhea : Article by Kenneth M Bielak, MD
		Primary amenorrhea is defined either as absence of menses by age 14 years with the absence of growth or development of secondary sexual characteristics (eg, breast development) or as absence of menses by age 16 years with normal development of secondary sexual characteristics.
		Androgen insensitivity syndrome is caused by an abnormality of the androgen receptor.
		Amenorrhea can also occur when 1 of the 2 X chromosomes is abnormal, such as a ring chromosome, or if a partial loss of the p or q arm of the X chromosome is occurs.
	www.emedicine.com /ped/topic2779.htm (4323 words)

	OHSU Health - Amenorrhea (Site not responding. Last check: 2007-10-30)
		Amenorrhea is a menstrual condition characterized by absent menstrual periods for more than three monthly menstrual cycles.
		Amenorrhea may be classified as primary or secondary.
		A diagnosis of amenorrhea can only be certain when the physician rules out other menstrual disorders, medical conditions, or medications that may be causing or aggravating the condition.
	www.ohsuhealth.com /htaz/newgyn/mensthub/amenorrhea.cfm (419 words)

	Amenorrhea (Site not responding. Last check: 2007-10-30)
		Primary amenorrhea is defined as the failure of menses to occur by age 16 years.
		Secondary amenorrhea is defined as the cessation of menses once they have begun.
		Amenorrhea can be due to pregnancy, anatomic defects of the outflow tract, ovarian disorders, and pituitary or hypothalamic disorders.
	uuhsc.utah.edu /obgyn/rei/ISamenorrhea.html (111 words)

	Amenorrhea Information on Healthline
		All teenagers with amenorrhea should seek medical care, and an adolescent who has had sexual intercourse even once and then missed a period should assume she is pregnant until a reliable pregnancy test proves otherwise.
		Amenorrhea may be associated with the symptoms of other disorders; for example, girls with an eating disorder will often have eroded tooth enamel, tiny pinpoint hemorrhages around the eyes, an abnormal heart rhythm, low blood pressure, and other signs of frequent vomiting.
		Girls whose amenorrhea is part of the female athlete triad may have a record of bone fractures or other evidence of bone mineral loss.
	www.healthline.com /galecontent/amenorrhea (993 words)

	Missed Menstrual Periods (Amenorrhea) \| AHealthyMe.com
		Primary amenorrhea is the failure to start having a period by the age of 16.
		Secondary amenorrhea is more common and refers to either the temporary or permanent ending of periods in a woman who has menstruated normally in the past.
		Secondary amenorrhea may also be related to hormonal problems related to stress, depression, anorexia nervosa or drugs, or it may be caused by any condition affecting the ovaries, such as a tumor.
	www.ahealthyme.com /topic/topic13081 (1181 words)

	Menstruation: Amenorrhea
		Amenorrhea is a menstrual cycle disorder characterized by the absence of any menstrual periods.
		Amenorrhea is a fairly common disorder, affecting between 2% and 5% of women in North America.
		Amenorrhea is often associated with infertility, and can cause long-term problems when it comes to conception.
	www.epigee.org /menstruation/amenorrhea.html (690 words)

	amenorrhea (Site not responding. Last check: 2007-10-30)
		Primary amenorrhea is not having menstrual periods by the age of 16.
		Secondary amenorrhea is the absence of three or more periods in a woman who has had regular menstrual periods.
		Amenorrhea after you stop taking birth control pills usually lasts for 6 to 8 weeks, but it may last a year or longer.
	scc.uchicago.edu /amenorrhea.htm (832 words)

	Amenorrhea
		Amenorrhea is the absence of menstrual bleeding and may be primary or secondary.
		Primary amenorrhea is the absence of menstrual bleeding and secondary sexual characteristics (for example, breast development and pubic hair) in a girl by age 14 years or the absence of menstrual bleeding with normal development of secondary sexual characteristics in a girl by age 16 years.
		Secondary amenorrhea is the absence of menstrual bleeding in a woman who had been menstruating but later stops menstruating for 3 or more months in the absence of pregnancy, lactation (the ability to breastfeed), cycle suppression with systemic hormonal contraceptive (birth control) pills, or menopause.
	www.emedicinehealth.com /articles/53430-2.asp (302 words)

	Amenorrhea Resources - Neuroendocrine Clinical Center & Pituitary Tumor Center at MGH/Harvard
		Amenorrhea is called primary when a woman has not started to menstruate by the age of 16 years, while secondary amenorrhea refers to the abnormal cessation of menstruation in a woman who previously has had menstrual cycles.
		Amenorrhea may also result from potentially serious disorders of the ovaries, the hypothalamus, or the pituitary gland; therefore, a physician should always evaluate chronic absence of menstrual cycles.
		Amenorrhea occurs naturally in women who are breast-feeding,6 but in these circumstances it does not put the bones at risk.
	pituitary.mgh.harvard.edu /amenorrhea.htm (333 words)

	MedlinePlus Medical Encyclopedia: Amenorrhea - primary
		Primary amenorrhea is not considered to have occurred until a girl is beyond age 16, if she has undergone other normal changes that occur during puberty.
		If the amenorrhea is caused by a tumor in the brain (pituitary tumor), the tumor is usually treated with a drug called bromocriptine.
		If the amenorrhea cannot be corrected, it is sometimes possible to create a pseudomenstruation with medications to help the young woman feel more like her friends or family.
	www.nlm.nih.gov /medlineplus/ency/article/001218.htm (531 words)

	Amenorrhea: Menstrual Disorders and Abnormal Vaginal Bleeding: Merck Manual Home Edition
		Primary amenorrhea may be caused by a birth defect in which the uterus or fallopian tubes do not develop normally or by a chromosomal disorder, such as Turner syndrome (in which the cells contain one X chromosome instead of the usual two).
		Amenorrhea may or may not be accompanied by other symptoms, depending on the cause.
		Secondary amenorrhea is diagnosed when a woman of reproductive age (who is not pregnant or breastfeeding) has had no menstrual periods for at least 3 months.
	www.merck.com /mmhe/sec22/ch244/ch244d.html (550 words)

	Amenorrhea (Site not responding. Last check: 2007-10-30)
		Amenorrhea is defined as the absence of menstruation.
		Several studies have found the rate of amenorrhea to be between 1% and 66% among athletes as compared to 2%-5% in the general population, but not exceeding 5% (13, 18).
		Amenorrhea alone is not a difficult condition to diagnose and is often the first sign of the traid, however its cause can be.
	darkwing.uoregon.edu /~hphy/AT/FATriad/links/amenorrhea.htm (1305 words)

	Amenorrhea
		Amenorrhea is the term used to describe the absence of menstrual periods.
		Primary amenorrhea refers to menstrual periods that have not begun by the age of 16.
		Other causes of secondary amenorrhea can be related to medical conditions such as traumatic brain injury; brain, ovary, or adrenal gland tumors; ovarian cysts; overproduction of prolactin by the pituitary gland; chronic illness; and Asherman's syndrome, which is scarring of the uterine lining caused by infection or surgery.
	www.hmc.psu.edu /healthinfo/a/amenorrhea.htm (1146 words)

	Amenorrhea - My Child Has - Children's Hospital Boston
		Amenorrhea is a menstrual condition characterized by absent menstrual periods for more than three monthly menstrual cycles.
		Amenorrhea may be classified as primary or secondary.
		secondary amenorrhea - due to some physical cause and usually of later onset; a condition in which menstrual periods which were at one time normal and regular become increasing abnormal and irregular or absent.
	www.childrenshospital.org /az/Site2036/mainpageS2036P0.html (457 words)

	Amenorrhoea - Wikipedia, the free encyclopedia
		Amenorrhoea (BE) or amenorrhea (AmE) is the absence of a menstrual period in a woman of reproductive age.
		A second serious risk factor of amenorrhea is severe bone loss sometimes resulting in osteoporosis and osteopenia.
		Amenorrhea may be due to outflow obstruction, or abnormal ovarian regulation or excess androgens as seen in polycystic ovary syndrome.
	en.wikipedia.org /wiki/Amenorrhea (671 words)

	When You Skip Periods
		Primary amenorrhea is when a young woman has not had her first period by the age of 16.
		Secondary amenorrhea is when a woman who has had normal menstrual cycles stops getting her monthly period for 3 or more months.
		Amenorrhea can be caused by any number of changes in the organs, glands, and hormones involved in menstruation.
	www.webmd.com /content/article/9/2953_495.htm (240 words)

	Amenorrhea, no menstrual periods
		Secondary amenorrhea is the absence of menstrual periods for 6 months in a woman who had previously been regular, or for 12 months in a woman who had irregular periods.
		However, the reported incidence for amenorrhea lasting more than 6 months after the pill is stopped is 0.8% which is essentially the same as the incidence of amenorrhea in the general population.
		If the amenorrhea and lack of withdrawal bleeding persists, prolactin levels should be measured annually since a small microadenoma could be present that is escaping laboratory and radiographic detection.
	www.advancedfertility.com /amenor.htm (2238 words)

	Amenorrhea - Vitacost (Site not responding. Last check: 2007-10-30)
		In one preliminary study, women with high levels of both carotenes and amenorrhea had predominantly vegetarian diets, and reducing dietary intake of carotenes led to lower carotene levels and improvement in their amenorrhea.
		Vitamin C alone, at 400 mg daily, had no effect on amenorrhea in one preliminary trial, although it was associated with the return of ovulation in some women who were menstruating regularly but not ovulating.
		In a second phase of the trial, the same amount of vitamin C was combined with a drug that affects female hormone levels, and this combination was associated with return of ovulation in almost half of amenorrheic women who had not benefited from the drug alone.
	www.vitacost.com /science/hn/Concern/Amenorrhea.htm (3659 words)

	Amenorrhea - Symptoms, Treatment and Prevention
		Amenorrhea is the name given to the condition when a woman fails to have menstrual periods.
		The condition is known as "primary amenorrhea" when the woman has never menstruated; and "secondary amenorrhea" if her periods cease after having been regular for months or years.
		The most common cause of amenorrhea is pregnancy, and this is always excluded before other possible causes are considered.
	www.healthscout.com /ency/68/161/main.html (788 words)

	MedlinePlus Medical Encyclopedia: Menstruation - absent
		The incidence of primary amenorrhea in the United States is less than 1%.
		The incidence of secondary amenorrhea (due to some cause other than pregnancy) is about 4% in the general population.
		For amenorrhea caused by normal delay of menstruation onset, have patience until age 16.
	www.nlm.nih.gov /medlineplus/ency/article/003149.htm (773 words)

	Secondary amenorrhea
		Secondary amenorrhea is a condition in which menstruation begins at the appropriate age, but later stops for 6 or more months for reasons not due to pregnancy, lactation, or menopause.
		If amenorrhea is caused by a pituitary tumor, other symptoms related to the tumor such as visual loss, may be present.
		For example, if the primary disorder is hypothyroidism, then amenorrhea will be cured when it is treated with thyroid supplements.
	www.pennhealth.com /ency/article/001219.htm (491 words)

	Missing menses: tips for athletes with amenorrhea - Nutrition American Fitness - Find Articles
		Women with amenorrhea may be striving to maintain a weight lower than appropriate for their genetics.
		Although amenorrhea is not sport-specific, sports with the highest prevalence of amenorrhea include ballet (19 to 44 percent) and competitive running (24 to 26 percent).
		Although amenorrhea exists among women who do not have eating disorders, loss of menses is certainly a red flag for restrictive, anorexic-type eating behaviors.
	www.findarticles.com /p/articles/mi_m0675/is_6_20/ai_94981928 (822 words)

	Menstruation: Absent Periods (Amenorrhea) (Site not responding. Last check: 2007-10-30)
		Secondary amenorrhea is a condition in which periods that were previously regular become absent for at least three cycles.
		It is the cause of between 10% and 40% of cases of secondary amenorrhea.
		Amenorrhea associated with reduced estrogen levels increases the risk for osteoporosis (loss of bone density).
	www.reutershealth.com /wellconnected/doc101.html (6751 words)

	Amenorrhea: Causes - MayoClinic.com
		Functional hypothalamic amenorrhea is a disorder of the hypothalamus — an area at the base of your brain that acts as a control center for your body and regulates your menstrual cycle.
		A common cause of amenorrhea or irregular periods is polycystic ovary syndrome (PCOS).
		PCOS is associated with obesity; amenorrhea or abnormal, often heavy uterine bleeding; acne and sometimes excess facial hair.
	www.mayoclinic.com /health/amenorrhea/DS00581/DSECTION=3 (844 words)

	Amenorrhea
		The main indication that you might have amenorrhea is that you don't have menstrual periods.
		Amenorrhea caused by thyroid or pituitary disorders may be treated with medications.
		Amenorrhea may cause anxiety, but by working with your doctor, you can determine the cause and find ways to regulate your cycle.
	www.cnn.com /HEALTH/library/DS/00581.html (1490 words)

	Amenorrhea in Conventional Medicine From the viewpoint of conventional Western medicine
		From the viewpoint of conventional Western medicine, normal menstrual cycles are based on a complex feedback system between the hypothalmus, the pituitary gland, and the ovaries, as well as the cyclical reaction of the lining of the uterus (the endometrium) to sex hormones.
		Primary amenorrhea is considered to be caused by one of the following disorders: hypothalamic disorder, such as deficiency of thyrotropic, adrenocorticotropic or gonadotropin-releasing hormones; pituitary insufficiency; or an ovarian disorder, such as a sex-chromosome problem.
		All the patients’ amenorrhea has lasted for six months or more, and was attributed to the use of birth control pills.
	www.aaaom.org /HPAMENNOR.htm (1504 words)

	Adult Health Advisor 2005.4: Missed Menstrual Periods (Amenorrhea)
		The absence of periods or menstrual flow is called amenorrhea.
		Secondary amenorrhea is the absence of 3 or more periods in a row in a woman who has had regular menstrual periods.
		Sometimes primary amenorrhea results from a hormonal problem, such as hypothyroidism, or a genetic disorder, such as chromosome abnormalities.
	www.med.umich.edu /1libr/aha/aha_amenor_crs.htm (985 words)

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