Hormone amenorrhea. Medical search. Frequent questions

As levels of progesterone, estradiol, and inhibin decline 2-3 days before menses, the pituitary begins to release higher levels of follicle-stimulating hormone (FSH), which recruits oocytes for the next menstrual cycle. (medscape.com)
Since vaginal bleeding is cited as the most common reason for discontinuation of hormone replacement therapy, establishing the optimal dosage of progesterone to achieve amenorrhea is important. (aafp.org)
Without the appropriate levels of sex hormones, including estrogen and progesterone, ovulation will not be triggered and menstruation will not occur. (sharedjourney.com)
Besides having power to balance levels of omega 3 and omega 6 fatty acids that cause hormone imbalance, flax seeds also contain high amounts of phytoestrogenic that helps to balance the level of estrogen and progesterone those are essential to bring on menstruation as well as amenorrhea. (worldwidehealth.com)
Progesterone is a hormone from a corpus luteum, formed by the cyclical rupture of an ovarian follicle. (worldwidehealth.com)
Low levels of progesterone or low levels of estrogen may cause hormone imbalance which effects the menstrual cycle as well as causing absence of menstruation. (worldwidehealth.com)
Ovulation causes the production of progesterone - the hormone most responsible for controlling periods. (familyplanning.org.nz)
This is the rise and fall of hormones, such as estrogen and progesterone , that influence female fertility over the course of around 21-35 days . (medicalnewstoday.com)
The specific pathogenesis of uterine fibroids has not been fully defined, but it is generally believed that high levels of estrogen and progesterone can promote the formation and development of uterine fibroids, that is, uterine fibroids are considered sex hormone-dependent tumors [ 2 ]. (hindawi.com)
Your body needs fats to both transport certain vitamins and also make key hormones like oestrogen, progesterone, testosterone. (iinh.net)
Prometrium is a synthetic form of progesterone, a hormone produced naturally by the body. (onlinepharmaciescanada.com)
It contains the hormone progesterone. (onlinepharmaciescanada.com)
Prometrium is a medication that contains the hormone progesterone. (onlinepharmaciescanada.com)
This drop in leptin levels can lead to a disruption in other hormones involved in reproductive function, such as estrogen and progesterone. (bubiloop.com)
Progesterone is a negative metabolic hormone. (dietdoctor.com)
For the change from the luteal back to the follicular phase, progesterone decreases gonadotrophin-releasing hormone (GnRH) pulse frequency to suppress gonadotropin release and reset the hypothalamic-pituitary-gonadal axis. (medscape.com)
Even though controlled studies with only progesterone have not been performed, progesterone may be responsible for the heightened risk of breast cancer associated with estrogen-progesterone use (hormone replacement) in postmenopausal women. (medscape.com)

Physiologically, menstruation is controlled by the release of gonadotropin-releasing hormone (GnRH) from the hypothalamus. (wikipedia.org)
GnRH acts on the pituitary to stimulate the release of follicle stimulating hormone (FSH) and luteinizing hormone (LH). (wikipedia.org)
Hypothalamic amenorrhea (HA) is a functional disorder caused by disturbances in gonadotropin-releasing hormone (GnRH) pulsatility. (unifi.it)
Functional hypothalamic amenorrhea is a common, non-organic and theoretically reversible form of anovulation due to reduced hypothalamic GnRH drive. (nih.gov)
To investigate hypothalamic and/or pituitary abnormalities in women with poorly controlled insulin-dependent diabetes mellitus (IDDM) and secondary amenorrhea, we measured serum LH every 10 min for 24 h and for 2 additional h after the administration of exogenous GnRH in 8 women with IDDM and amenorrhea and compared these to data from 15 eumenorrheic nondiabetic women. (elsevierpure.com)
The hypothalamus is the initiator of the follicular phase via gonadotropin-releasing hormone (GnRH). (medscape.com)
Gonadotropin therapy or the use of pulsatile gonadotropin-releasing hormone (GnRH) therapy may be required to induce ovulation in patients with infertility whose underlying pathology cannot be reversed. (medscape.com)
If there is no improvement in symptoms after a 3-month trial, a referral to a gynecologist is appropriate in order to consider gonadotropin-releasing hormone (GnRH) agonist, GnRH antagonist, or laparoscopic treatments. (bcmj.org)
Therapies available in the toolbox to use with menstrual disorders include combined oral contraceptives, the vaginal ring, depot medroxyprogesterone acetate, progestin-containing intrauterine devices, gonadotropin-releasing hormone (GnRH)-superagonists, and etronogestrel subnormal implants. (contemporaryobgyn.net)
Specialized hypothalamic neurons secrete pulses of gonadotropin-releasing hormone (GnRH) into the portal blood vessels, which acts on the gonadotrophs to cause a pulsatile release of follicle-stimulating hormone (FSH) and luteinizing hormone (LH), which act on ovarian follicle cells to control folliculogenesis. (glowm.com)
Although GnRH, FSH, and LH are critically important in regulating folliculogenesis, hormones and growth factors, which are themselves products of the follicle, can act locally to modulate (amplify or attenuate) FSH and LH action. (glowm.com)

To listen to my podcast episode on hypothalamic amenorrhea, listen here, or continue reading below. (peacelovehormones.com)
When done chronically, disordered eating can lead to hypothalamic amenorrhea. (peacelovehormones.com)
A chronic energy deficit tells the body to suppress less vital body functions, such as reproduction, therefore causing hypothalamic amenorrhea. (peacelovehormones.com)
However, the effects of kisspeptin on gonadotropin release in women with hypothalamic amenorrhea (HA) and the effects of repeated administration of kisspeptin to humans are unknown. (nih.gov)
Amenorrhea can be caused by any mechanism that disrupts this hypothalamic-pituitary-ovarian axis, whether that it be by hormonal imbalance or by disruption of feedback mechanisms. (wikipedia.org)
DESIGN: We included 8 patients (aged 23.16+/-1.72 years) suffering from hypothalamic stress-related amenorrhea with normal body weight and 8 age-matched healthy controls in the follicular phase of the menstrual cycle. (unifi.it)
The blunted ACTH, allopregnanolone and cortisol responses to CRH indicate that, in hypothalamic amenorrhea, there is a reduced sensitivity and expression of CRH receptor. (unifi.it)
These results open new perspectives on the role of neurosteroids in the pathogenesis of hypothalamic amenorrhea. (unifi.it)
Episode #266: Answering Your Hypothalamic Amenorrhea Questions (Recovery Timeline, Training During Recovery, and More! (megdoll.com)
this disrupts the hypothalamic-pituitary-gonadal (HPG) axis, leading to functional hypothalamic amenorrhea (FHA) and low estrogen levels ( 6 ). (frontiersin.org)
Functional hypothalamic amenorrhea (functional HA) is a condition where a woman s period stops for a temporary time. (nih.gov)
Ferrari C, Crosignani PG: Hypothalamic disease presenting as amenorrhoea: Value of computed tomography. (karger.com)
Clinicians should make the diagnosis of functional hypothalamic amenorrhea (FHA) only after excluding the anatomic or organic pathology of amenorrhea. (medscape.com)

Other than pregnancy, constitutional delay, anovulation, and chronic illness, most other disorders that cause amenorrhea may require referral to a subspecialist for treatment. (medscape.com)
Production of male hormones - Certain ovarian tumors like theca cell tumors or Dermoid cysts can produce predominantly male hormones and cause amenorrhea. (gynaeonline.com)

Immediately prior to ovulation, the combination of E 2 and FSH leads to the production of luteinizing-hormone (LH) receptors on the granulosa cells surrounding the lead follicle. (medscape.com)
The secretion of testosterone is regulated by luteinizing hormone (LH), and is subject to negative feedback via the pituitary and hypothalamus. (cdc.gov)
Next, luteinizing hormone stimulates the release of the egg from the ovaries into the fallopian tubes. (medicalnewstoday.com)
Thyroid-stimulating hormone (TSH), b-HCG, prolactin, follicle-stimulating hormone (FSH), and luteinizing hormone (LH) measurements are always the first line of testing. (medscape.com)
As part of an initial endocrine evaluation for patients with FHA, obtain the following laboratory tests: serum thyroid-stimulating hormone (TSH), free thyroxine (T4), prolactin, luteinizing hormone (LH), follicle-stimulating hormone (FSH), estradiol (E2), and anti-mullerian hormone (AMH). (medscape.com)

To recognize amenorrhea it is necessary to know what would be considered normal menstruation. (healthy.net)
Secondary amenorrhoea, ceasing of menstrual cycles after menarche, is defined as the absence of menses for three months in a woman with previously normal menstruation, or six months for women with a history of oligomenorrhoea. (wikipedia.org)
Primary amenorrhoea is the absence of menstruation in a woman by the age of 16. (wikipedia.org)
Secondary amenorrhoea is defined as the absence of menstruation for three months in a woman with a history of regular cyclic bleeding or six months in a woman with a history of irregular menstrual periods. (wikipedia.org)
Learn more about an absence of menstruation, known as amenorrhea , here. (medicalnewstoday.com)
Girls with primary amenorrhea do not have enough hormones in their body to trigger menstruation. (sharedjourney.com)
Amenorrhea is defined as delay of menstruation. (worldwidehealth.com)
Study shows that women having low levels of hormone in the blood with intake of of L-cartinine helps to bring back menstruation within three to six months with 50% success rate. (worldwidehealth.com)
When women lose weight, especially if they lose weight quickly or by extreme measures, it can upset the fragile balance of hormones that regulate menstruation. (bubiloop.com)
This disruption can lead to irregular periods or even amenorrhea, causing menstruation to stop altogether. (bubiloop.com)

During pregnancy or after menopause, you will lose your period, and this is a natural form of amenorrhea. (sharedjourney.com)
Primary ovarian insufficiency (POI) (premature ovarian failure, premature menopause, or early menopause) is a condition characterized by amenorrhea, hypoestrogenism, and elevated serum gonadotropin levels in women younger than 40 years. (medscape.com)
Menopause was defined as elevated serum follicle-stimulating hormone levels greater than 20 IU/L or at least 12 months of consecutive amenorrhea. (news-medical.net)
Natural menopause was defined as the bleeding episode prior to at least 12 months of amenorrhea not due to surgery or hormone use. (cdc.gov)
Menopause status was confirmed by amenorrhea for at least 1 year. (medscape.com)

Although amenorrhea has multiple potential causes, ultimately, it is the result of hormonal imbalance or an anatomical abnormality. (wikipedia.org)
A doctor can then prescribe medications to help correct the hormone imbalance. (medicalnewstoday.com)
If you are experiencing amenorrhea, it is probably because certain factors are causing an imbalance in your hormone levels. (sharedjourney.com)
A hormone imbalance, which can lead to a period without an egg being released (ovulation), is the most common cause of menorrhagia. (familyplanning.org.nz)
However, when it comes to hormone imbalance, complicated can make things a bit tricky. (iinh.net)
Sometimes finding balance is not that easy but t his article aims to touch on some common signs to watch out for when it comes to female hormone imbalance as well as some simple ideas to incorporate in your daily routine to help support your body to reset naturally and have you feeling like a goddess. (iinh.net)

Constitutional delay of puberty is a diagnosis of exclusion that is made when the workup for primary amenorrhea does not reveal another cause. (wikipedia.org)
If by age 13 menses has not occurred and the onset of puberty, such as breast development, is absent, a workup for primary amenorrhea should start. (medscape.com)

Even though patient's with MRKH have functioning ovaries, and therefore have secondary sexual characteristics, they experience primary amenorrhea since there is no functioning uterus. (wikipedia.org)
The ovaries are glands where eggs form and female hormones are made. (medlineplus.gov)
In most women with amenorrhea, the ovaries do not release an egg. (msdmanuals.com)

Occult primary ovarian insufficiency presents as unexplained infertility in a patient with a normal basal serum follicle-stimulating hormone (FSH) level. (medscape.com)

But doing these things can lead to eating disorders, amenorrhea, and osteoporosis. (alberta.ca)

McKenzie urged doctors to ask women about their symptoms if they present with amenorrhea because young women with primary amenorrhea rarely experience symptoms at presentation, "implying that these symptoms are due to estrogen withdrawal rather than estrogen deficiency," she said. (medscape.com)
Diagnostic evaluation for FHA is suggested in adolescents and women whose menstrual cycle interval persistently exceeds 45 days and/or those who present with amenorrhea for 3 mo or more. (medscape.com)

Individuals with a female phenotype can present with primary amenorrhea due to complete androgen insensitivity syndrome (CAIS), 5-alpha-reductase 2 deficiency, pure gonadal dysgenesis, 17β-hydroxysteroid dehydrogenase deficiency, and mixed gonadal dysgenesis. (wikipedia.org)
In conditions leading to estrogen deficiency, hormone replacement therapy is required to maintain bone density, and it may have other possible health benefits in patients whose underlying pathology cannot be reversed to restore normal endocrine function. (medscape.com)
She developed growth hormone deficiency and hypothyroidism at the age of 8.5 years, adrenal insufficiency at the age of 11 years, diabetes insipidus and hypogonadotropic hypogonadism at the age of 15 years. (karger.com)
A disruption of this process may result in anovulation and ovarian steroid hormone deficiency. (medscape.com)
Zinc deficiency causes anorexia resulting in amenorrhea. (worldwidehealth.com)
This data will allow for population estimates of the selected steroid hormones and related binding protein that can be used to assist in disease diagnosis, treatment, and prevention of diseases such as, Polycystic Ovary Syndrome (PCOS), androgen deficiency, cancer, and hormone imbalances in children. (cdc.gov)
and clinical signs and/or laboratory results that suggest pituitary hormone deficiency or excess. (medscape.com)
[ 9-11 ] Estrogen deficiency can lead to sleep instability, and hormone therapy has been found to correct sleep disorders in some postmenopausal women. (medscape.com)
In this paper, a review of the main aspects interconnecting leptin and anorexia nervosa is made, as well as of the effects of excess and deficiency of this hormone on feeding disease. (bvsalud.org)

Thyroid hormone replacement therapy in primary hypothyroidism: a randomized trial comparing L-thyroxine plus liothyronine with L-thyroxine alone. (druglib.com)
Yes if you have hashimotos type hypothyroidism, the antibody load may decrease on ketogenic approach and you may need less supplemental thyroid hormone. (dietdoctor.com)

Low levels of thyroid hormone stimulate the release of TRH from the hypothalamus, which in turn increases both TSH and prolactin release. (wikipedia.org)
Hyperprolactinemia - Excessive production of the hormone Prolactin is called Hyperprolactinemia. (gynaeonline.com)
Serum prolactin, FSH, estradiol, and thyrotropin levels should also be measured routinely in the initial evaluation of amenorrhea once pregnancy has been excluded. (medscape.com)
Other hormones, such as thyroid hormones and prolactin (produced by the pituitary gland), can affect the menstrual cycle. (msdmanuals.com)

When the patient has had at least one episode of spontaneous menses before the loss of her periods, she is said to suffer from secondary amenorrhoea. (gynaeonline.com)

Physiological states of amenorrhoea are seen, most commonly, during pregnancy and lactation (breastfeeding). (wikipedia.org)
In females of reproductive age, diagnosing amenorrhea is a matter of first determining whether pregnancy is the etiology. (medscape.com)
Salistick detects pregnancy by identifying a hormone called human chorionic gonadotropin (hCG), which is present in the body of a pregnant person. (medicaldaily.com)
Pregnancy is the most common cause of secondary amenorrhea. (medscape.com)
A pregnancy test (measurement of serum or urinary human chorionic gonadotropin) is recommended as a first step in evaluation of a secondary amenorrhea. (medscape.com)
After pregnancy testing, all women who present with 3 months of secondary amenorrhea should have a diagnostic evaluation initiated at that visit. (medscape.com)
Each month, this system produces hormones in a certain sequence to prepare the body, particularly the uterus, for pregnancy. (msdmanuals.com)
In a patient with suspected FHA, exclude pregnancy and perform a full physical examination, including a gynecologic examination (external and, in selected cases, bimanual), to evaluate the possibility of organic etiologies of amenorrhea. (medscape.com)

Females who have not reached menarche at 14 and who have no signs of secondary sexual characteristics (thelarche or pubarche) are also considered to have primary amenorrhea. (wikipedia.org)
In the overall management of females with amenorrhea, remembering the most likely causes that may present in an outpatient setting is helpful. (medscape.com)
For females, this includes hormones associated with the menstrual cycle. (medicalnewstoday.com)
Our Hormone Panel for females with the addition of a Lipid Profile. (privatemdlabs.com)
Estradiol is the key biomarker for assessing reproductive function in females, including amenorrhea, infertility, and menopausal status. (cdc.gov)
In postmenarcheal females, amenorrhea, i.e., the absence of at least three consecutive menstrual cycles. (mhmedical.com)

Primary amenorrhea and the potential for impaired fertility affect the emotional health of the adolescent and her family. (medscape.com)
PCOS can affect hormone levels and fertility. (medicalnewstoday.com)
Amenorrhea can signal underlying health problems and may be a clue to your fertility problems. (sharedjourney.com)

If a repeat value in 1 month confirms this finding and amenorrhea still persists, then the diagnosis of premature ovarian failure/primary ovarian insufficiency is confirmed. (medscape.com)

Estrogen hormone therapy, or use of estradiol as a supplement, raises health concerns related to estradiol concentration in blood such as elevated levels in postmenopausal women increasing the risk of breast cancer. (cdc.gov)

All things cannot be "OK" if amenorrhea or severely irregular cycles are the norm? (dietdoctor.com)

Primary amenorrhea is the failure of menses to occur by age 16 years, in the presence of normal growth and secondary sexual characteristics. (medscape.com)
Secondary amenorrhea is defined as the cessation of menses sometime after menarche has occurred. (medscape.com)
Some authors suggest the absence of menses for 6 months constitutes amenorrhea, but the basis for this recommendation is unclear. (medscape.com)
When a girl has never experienced menarche and menses, she is said to be suffering from primary amenorrhoea or primary lack of menses. (gynaeonline.com)

Pathological Amenorrhoea or loss of periods is amenorrhea that occurs as a symptom of an underlying disease. (gynaeonline.com)

Herbal remedies have been used throughout history to help ease symptoms and balance hormones. (healthy.net)
Menopausal status was evaluated on the basis of amenorrhea, symptoms and levels of follicle-stimulating hormone. (aafp.org)
For patients with no obvious clinical symptoms and small myomas, surgery is not the best treatment, and hormone treatment alone is difficult to achieve a better curative effect. (hindawi.com)
Amenorrhea may be accompanied by other symptoms, depending on the cause. (msdmanuals.com)

When individuals lose weight, especially through caloric restriction or intense exercise, it can disrupt the delicate balance of hormones that regulate various bodily functions, including the menstrual cycle. (bubiloop.com)

This ensures that your hormone levels don't drop and that ovulation doesn't occur. (euroclinix.net)

Diagnosis involves confirmation of 4-6 months of amenorrhea or oligomenorrhea and two measurements of elevated follicle-stimulating hormone (FSH). (medscape.com)
During the last few days of a period, the pituitary gland stimulates the production of follicle stimulating hormone (FSH). (medicalnewstoday.com)
The mechanisms regulating follicle growth and development are under the control of changing concentrations of ligands ( i.e. hormones and growth factors). (glowm.com)

Amenorrhea refers to the absence of your menstrual periods. (sharedjourney.com)
You are considered to have amenorrhea if you've missed six periods in a row or if you've not had your first period by the age of 15. (familyplanning.org.nz)
Amenorrhea means you do not have menstrual periods. (alberta.ca)
Primary amenorrhea means you never start your periods. (alberta.ca)
Secondary amenorrhea means you have had periods, and then they stop, especially for more than 3 months. (alberta.ca)
Having no menstrual periods is called amenorrhea. (msdmanuals.com)
If women have been having menstrual periods, which then stop, they may have secondary amenorrhea. (msdmanuals.com)

Is menopausal hormone therapy associated with non-alcoholic fatty liver disease? (news-medical.net)
A recent Scientific Reports study analyzed the effects of menopausal hormone therapy (MHT) on non-alcoholic fatty liver disease (NAFLD) based on the route of estrogen administration. (news-medical.net)
Different effects of menopausal hormone therapy on non-alcoholic fatty liver disease based on the route of estrogen administration. (news-medical.net)
Hormone Replacement Therapy (HRT) is now referred to as Menopausal Hormone Therapy (MHT). (menopause.org.au)

If you haven't had your period in a while, you may have amenorrhea, a disorder of the menstrual cycle. (sharedjourney.com)
Behavioral effects of liothyronine (L-T3) in children with attention deficit hyperactivity disorder in the presence and absence of resistance to thyroid hormone. (druglib.com)

Join 10,000+ women healing their hormones with Peace Love Hormones! (peacelovehormones.com)
Athletes with amenorrhea had higher depressive and anxiety symptomatology compared to eumenorrheic young women. (frontiersin.org)
This form of hormone replacement therapy is increasingly prescribed to postmenopausal women who have not undergone hysterectomy in order to prevent vaginal bleeding during hormone therapy. (aafp.org)
By six months, the percentage of women achieving amenorrhea was 76.5, 80.1 and 80.9 percent for the 2.5-, 5.0- and 10.0-mg dosages of medroxyprogesterone acetate. (aafp.org)
At two years, 91.5, 89.9 and 94.3 percent of women reported amenorrhea. (aafp.org)
The authors conclude that all three dosages of medroxyprogesterone acetate provided adequate endometrial protection and achieved amenorrhea in approximately 80 percent of women by six months of continuous therapy. (aafp.org)
Most women achieved amenorrhea or experienced only very slight bleeding or spotting within the first three months of therapy. (aafp.org)
It can also be used as hormone replacement therapy (HRT) in women. (onlinepharmaciescanada.com)
Amenorrhea affects about 10% of women worldwide. (gynaeonline.com)
Such problems occur because in women who have amenorrhea, the estrogen level is low. (msdmanuals.com)
We included women aged 50 to 70 years, and excluded women on hormone therapy or missing data. (medscape.com)

She was treated with growth hormone (GH) from 14 to 18 years. (datadryad.org)
It should be treated with growth hormone. (contemporaryobgyn.net)

First-line medical management of endometriosis-related pain includes combined hormonal contraceptives or progestin-only hormone treatment. (bcmj.org)

Do note that if you're switching from mini pill to combined pill, there will be additional hormones, such as oestrogen, added to your contraceptive, and you may need to use additional protection such as a condom until your body adjusts to the change. (euroclinix.net)
If prescribing vaginal oestrogen rather than systemic hormone therapy, a progestogen is not required. (menopause.org.au)

In males, AMH is made by the testicles (or testes), which are glands that make sperm and male hormones. (medlineplus.gov)

No consensus has been reached regarding the point at which oligomenorrhea becomes amenorrhea. (medscape.com)

Consideration of the target organs of these reproductive hormones (hypothalamus, pituitary, ovary, uterus) is helpful for identifying the disease process responsible for a patient's amenorrhea. (medscape.com)

In the multicenter trial, 557 postmenopausal patients were randomly assigned to receive one of three continuous hormone replacement regimens for two years. (aafp.org)

Hormonal birth control pills alter the body's natural hormone levels. (medicalnewstoday.com)
Therefore, it is important to check your hormones since they determine how your body functions on many levels. (privatemdlabs.com)
It is typically the result of a drop in hormone levels or an underlying reproductive complication. (sharedjourney.com)
In the future, determination of anti-müllerian hormone levels may become the preferred initial test for diagnosing PCOS. (medscape.com)
[ 14 ] Changes in reproductive hormone levels are important factors contributing to this positive association. (medscape.com)

Too little calories or too little of any macronutrient (i.e. carbs and why I do not agree with the keto, carnivore, or low carb diets) can downregulate sex hormone production by upregulating cortisol and our stress hormones. (peacelovehormones.com)

Contraceptive methods include female and male sterilisation, injectable and oral hormones, intrauterine devices, diaphragms, spermicides and condoms, natural family planning and lactational amenorrhoea where cited as a method. (who.int)

Amenorrhea is the absence of a menstrual period in a female who has reached reproductive age. (wikipedia.org)
Amenorrhea (pronounced 'uh-men-o-REE-uh') is the medical term for the absence of a menstrual period . (gynaeonline.com)
A woman is said to have amenorrhea when a menstrual period does not occur for more than three months in a row. (gynaeonline.com)

Amenorrhea can also result from conditions that affect the uterus, cervix, or vagina. (msdmanuals.com)

Stress - Stress is an important factor in causing amenorrhea. (gynaeonline.com)
Stress can disrupt the production of hormones, disrupting the menstrual cycle. (gynaeonline.com)
Emotional Stress like depression, mood swings and death of somebody close can trigger amenorrhea. (gynaeonline.com)

Similarly, thyroid hormone also affects the menstrual cycle. (wikipedia.org)

Examples of amenorrhea include constitutional delay of puberty, Turner syndrome, and Mayer-Rokitansky-Küster-Hauser (MRKH) syndrome. (wikipedia.org)
Most girls have typically undergone puberty by this time, and their hormones have begin to produce a monthly period. (sharedjourney.com)

Most of the circulating testosterone is bound to carrier proteins (sex hormone-binding globulin [SHBG], and albumin). (cdc.gov)

Secondary amenorrhea occurs after you have had a normal period for some time, but then begin to go without a period for more than three months. (sharedjourney.com)
a)Primary amenorrhea is defined as no period by age 16 and b)Secondary amenorrhea is defined as period beginning at the appropriate age, but later stops for more than 3 cycles or 6 months. (worldwidehealth.com)
Obtain a baseline bone mineral density (BMD) measurement by dual-energy x-ray absorptiometry (DXA) from any adolescent or woman with 6 or more months of amenorrhea. (medscape.com)
Although postmenopause begins at that time, it is not recognized until after 12 months of amenorrhea. (medscape.com)

An adequate intake of iodine is required for the production of thyroid hormones. (cdc.gov)

L-cartine is an amino acid having effects on brain chemicals and hormones that control female reproductive hormones. (worldwidehealth.com)

Anatomy3

Diseases22

Chemicals and Drugs20

Analytical, Diagnostic and Therapeutic Techniques and Equipment3

Psychiatry and Psychology2

Phenomena and Processes8

Anthropology, Education, Sociology and Social Phenomena1

Geographicals1

Progesterone17

GnRH11

Hypothalamic13

Cause amenorrhea2

Luteinizing Hormone5

Menstruation10

Menopause5

Imbalance6

Workup2

Ovaries3

Serum follicle-stimula1

Eating disorders1

Present with amenorrhea2

Deficiency9

Hypothyroidism2

Prolactin4

Secondary amenorrhoea1

Pregnancy8

Females6

Fertility3

Ovarian1

Estradiol1

Irregular1

Menses4

Symptom1

Symptoms4

Including the menstrual cycle1

Ovulation1

Follicle3

Periods7

Menopausal4

Disorder2

Women11

Treated with growth hormone2

Hormonal contraceptives1

Oestrogen2

Male hormones1

Oligomenorrhea1

Hypothalamus1

Postmenopausal1

Levels5

Cortisol1

Intrauterine1

Menstrual period3

Uterus1

Stress3

Affects1

Puberty2

Testosterone1

Months4

Thyroid hormones1

Reproductive hormones1