Navigation Links
Menstruation Cessation in Female Teen Athletes May Be Caused by Hormone
Date:6/16/2008

Ghrelin levels key to reduced estrogen in adolescents

MONDAY, June 16 (HealthDay News) -- A method for predicting which teenage female athletes are at risk to stop menstruating -- an important factor in causing the bones to lose mass -- may have been found, according to a preliminary study.

Up to 25 percent of female high school athletes develop amenorrhea, or absence of menstruation, compared with 2 percent to 5 percent in the general population, researchers from Massachusetts General Hospital in Boston found.

The report was expected to be presented Monday at The Endocrine Society's annual meeting in San Francisco.

Intense exercise and caloric restriction, which cause an energy deficit in the body, are thought to cause the menstrual irregularities in athletes.

Amenorrhea can cause infertility and early onset of low bone density, which may increase the risk of broken bones.

The researchers measured levels of various hormones in females aged 12 to 18. In particular, levels of ghrelin were examined. Ghrelin is a hormone that can cause reduce secretion of hormones that regulate ovarian and menstrual function. People with anorexia nervosa, another condition of severe energy deficit, have elevated ghrelin levels.

The scientists found that ghrelin levels were higher in athletes who were not menstruating than in those who were having their periods or were non-athletic females. The athletes with higher ghrelin levels also had lower levels of the sex hormones estrogen and testosterone.

"These findings suggest that hormonal disorders may explain why amenorrhea occurs in some but not all adolescent athletes," the study's presenter, Dr. Madhusmita Misra, a pediatric endocrinologist at Massachusetts General Hospital, said in a prepared statement.

"In addition, ghrelin may be an important link between an energy deficit state and the hormones that regulate menstrua
'/>"/>

Copyright©2008 ScoutNews,LLC.
All rights reserved  

Page: 1 2

Related medicine news :

1. Scientists demonstate link between genetic variant and effectiveness of smoking cessation meds
2. Genetic variation affects smoking cessation treatment
3. Washington Comes Together to Promote Smoking Cessation
4. Hypnosis for smoking cessation sees strong results
5. New Survey Shows Majority of Employers Rank Smoking as One of Their Greatest Priority Health Issues, But Only 2 Percent Provide Comprehensive Smoking Cessation Benefits for Employees
6. Smoking Cessation Rates Double With Intensive Counseling and Free Nicotine Replacement Therapy, Studies of 20,000 Smokers Show
7. One Million Boxes of Over-the-Counter Smoking Cessation Products Sold in January 2008
8. Health risks after cessation of postmenopausal hormone therapy
9. Arizona Senate Pushes for Smoking Cessation Treatments for State Medicaid Beneficiaries
10. Arizona Senate Approves Smoking Cessation Treatments for State Medicaid Beneficiaries
11. Pennsylvania Attorney General Corbett, American Lung Association & Others Call for New MSA Funds to Be Used for Tobacco Prevention and Cessation
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Menstruation Cessation in Female Teen Athletes May Be Caused by Hormone 
(Date:8/27/2014)... Tejal K. Gandhi, MD, MPH, CPPS, president of the ... Lucian Leape Institute, is among the 100 Most Influential People ... Healthcare magazine. Also on the list are NPSF board members ... NPSF Lucian Leape Institute members Carolyn Clancy, MD; Bob Wachter, ... both the Institute and the NPSF Board of Directors. , ...
(Date:8/27/2014)... August 27, 2014 NexCore Group, a ... ground on a 79,491 square foot medical office building ... in Germantown, an unincorporated municipality located approximately 20 miles ... populous place in Maryland, after Baltimore and Columbia. , ... Hospital campus is one of three outpatient care centers ...
(Date:8/27/2014)... It,s one of the last things a parent wants ... in babies less than a week old. , Skin ... a newborn is jaundiced and isn,t adequately eliminating the ... see, and severe jaundice left untreated can harm a ... developed a smartphone application that checks for jaundice in ...
(Date:8/27/2014)... Will Holbrook, CP LP, has joined Fourroux Prosthetics, headquartered ... of experience in the prosthetics field. He graduated ... of Science degree with a major in biology and ... degree in prosthetics at Northwestern University in Chicago, Illinois. ... at Fourroux,” says Keith Watson, owner of Fourroux. ...
(Date:8/27/2014)... Some 30 percent of all positive hospital blood culture ... they reflect the presence of skin germs instead of ... compromised samples into the trash, clinicians may be able ... by these tests to treat patients with antibiotics appropriate ... Gidi Stein and Dr. Danny Alon of TAU,s Sackler ...
Breaking Medicine News(10 mins):Health News:NPSF President Among 100 Most Influential in Health Care 2Health News:NPSF President Among 100 Most Influential in Health Care 3Health News:NexCore Breaks Ground on Medical Office Building on Holy Cross Health Campus in Germantown, Maryland 2Health News:NexCore Breaks Ground on Medical Office Building on Holy Cross Health Campus in Germantown, Maryland 3Health News:NexCore Breaks Ground on Medical Office Building on Holy Cross Health Campus in Germantown, Maryland 4Health News:New smartphone app can detect newborn jaundice in minutes 2Health News:New smartphone app can detect newborn jaundice in minutes 3Health News:'Junk' blood tests may offer life-saving information 2
... While ICDsimplantable cardioverter defibrillatorsare the device of choice ... by cardiologists at the University of Pennsylvania School of ... than their male counterparts. , In a retrospective analysis ... on Sunday, November 4 (Poster #C148; 3 p.m.), lead ...
... Medical Faculty Associates (MFA) Division of Bariatric Surgery,announced ... Society for Metabolic,and Bariatric Surgery (ASMBS) Bariatric Surgery ... recognizes surgical programs with a,demonstrated track record of ... a report released in 2007 by the Agency ...
... IRVING, Texas, Nov. 5 Carrington,Laboratories, Inc. (OTC ... DelSite Biotechnologies, Inc., its wholly-owned subsidiary,will be webcast ... Acumen BioFin Rodman &,Renshaw 9th Annual Healthcare Conference ... 7th, at 2:00 pm Eastern Time. The ...
... part of the retail distribution division of ... entered into an agreement with the,American Osteopathic ... to,services provided by the nationwide network of ... ) Under the agreement, the more ...
... CHICAGO, Nov. 5 - Players for the NFL,s,Chicago Bears ... North Chicago VA medical center, as part of the ... scheduled to visit the hospital at 2:30 p.m., to ... patients,with souvenirs, and helping brighten the day for those ...
... Diabetes Awareness Month, CVS/pharmacy highlights available ... resources for diabetes sufferers, ... suffer from diabetes, and an estimated 6.2 million are unaware,they ... help raise awareness, CVS/pharmacy will be educating and,counseling diabetes patients ...
Cached Medicine News:Health News:Do women fare worse with some heart devices? 2Health News:MFA Division of Bariatric Surgery Named Center of Excellence for High-Quality Care In Bariatric Surgery 2Health News:MFA Division of Bariatric Surgery Named Center of Excellence for High-Quality Care In Bariatric Surgery 3Health News:Carrington's DelSite Presentation at Rodman & Renshaw Conference to be Webcast Live on November 7th 2Health News:Lincoln Financial Advisors to Provide Exclusive Services to American Osteopathic Association Members 2Health News:Lincoln Financial Advisors to Provide Exclusive Services to American Osteopathic Association Members 3Health News:CVS Pharmacists Serve a Vital Role in Helping Patients Manage Diabetes 2
(Date:8/27/2014)... Reportlinker.com announces that a new market ... Global Heart Valve Repair and Replacement Market ... About Heart Valve Repair and Replacement Heart ... control the flow of blood during the cardiac ... such as valvular stenosis, valvular insufficiency or regurgitation, ...
(Date:8/27/2014)... 2014 Reportlinker.com announces that a new ... Global Animal Health Market 2014-2018 ... Animal Health Animal health refers to veterinary services ... to enhance their quality of life, increase their ... The Global Animal Health market covers the following ...
(Date:8/27/2014)... 2014 Kewaunee Scientific Corporation (Nasdaq: ... its quarterly cash dividend by 9% to twelve cents ... beginning with the dividend payable on September 22, 2014 ... on September 8, 2014. About Kewaunee ... Scientific Corporation is a recognized global leader in the ...
Breaking Medicine Technology:Global Heart Valve Repair and Replacement Market 2014-2018 2Global Heart Valve Repair and Replacement Market 2014-2018 3Global Heart Valve Repair and Replacement Market 2014-2018 4Global Animal Health Market 2014-2018 2Global Animal Health Market 2014-2018 3Global Animal Health Market 2014-2018 4Global Animal Health Market 2014-2018 5Global Animal Health Market 2014-2018 6Global Animal Health Market 2014-2018 7
... Researchers discover that proteins BMP2, BMP4 and BMP7 ... cells to develop,into normal neurons, a finding that ... MEMPHIS, Tenn., March 14 A discovery by ... way to treat,medulloblastoma, a rare but often fatal ...
... Alliance,(LCA) called the new screening guidelines announced by the ... right direction,that will encourage those at high risk for ... CT scan.", LCA President Laurie Fenton Ambrose said ... year than all the other major cancers combined,until more ...
Cached Medicine Technology:St. Jude Finds Signaling System That Halts the Growth of a Childhood Brain Cancer 2Lung Cancer Alliance Commends NCCN on Screening Guidelines 2
A general purpose instrument for use around the femur and acetabulum....
Delicate side cutting wire cutter with carbide inserts....
The osteotome shafts are manufactured with stainless steel and are available both straight and curved in 1/4" and 1/2" sizes....
... a digital special purpose scintimammography camera. ... to the edge of the detector and ... as well as breast containment and stabilization ... IS2s breast scintimammography camera is a dedicated ...
Medicine Products: