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https://www.readbyqxmd.com/read/27721839/effects-of-early-menarche-on-physical-and-psychosocial-health-problems-in-adolescent-girls-and-adult-women
#1
Jae-Ho Yoo
The menarcheal age of Korean women has been rapidly decreasing for the last 50 years, and the average menarcheal age of women born in the 1990s is approaching 12.6 years. In addition, interest in early puberty has been increasing recently owing to the rapid increase in precocious puberty. Generally, out of concern for short stature and early menarche, idiopathic central precocious puberty in female adolescents is treated with gonadotropin-releasing hormone analogs. Studies to date have described the association between early menarche and psychosocial problems such as delinquency and risky sexual behavior, as well as physical health problems such as obesity, diabetes, cardiovascular diseases, and breast cancer throughout the lifespan of women...
September 2016: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/27599475/correlation-of-body-mass-index-levels-with-menarche-in-adolescent-girls-in-shaanxi-china-a-cross-sectional-study
#2
Zhenjie Wang, Shaonong Dang, Yuan Xing, Qiang Li, Hong Yan
BACKGROUND: Menarche is a milestone for adolescent girls. The timing of menarche is influenced by genetics, social status and nutritional status (e.g., height, weight and body mass index [BMI]) and impacts future health (e.g., obesity and breast cancer). There have been many studies on trends in age at menarche among adolescent girls in China, but few have investigated associations between growth status and the timing of menarche. This study examined the association between age at menarche and growth status among adolescent girls in Western China...
2016: BMC Women's Health
https://www.readbyqxmd.com/read/27551110/psychosocial-adjustment-and-perceived-risk-among-adolescent-girls-from-families-with-brca1-2-or-breast-cancer-history
#3
Angela R Bradbury, Linda Patrick-Miller, Lisa A Schwartz, Brian L Egleston, Dare Henry-Moss, Susan M Domchek, Mary B Daly, Lisa Tuchman, Cynthia Moore, Paula K Rauch, Rebecca Shorter, Kelsey Karpink, Colleen Burke Sands
PURPOSE: To evaluate the impact of breast cancer family history and maternal BRCA1/2 mutation on the psychosocial adjustment and perceived risk in girls age 11 to 19 years old. MATERIALS AND METHODS: Girls age 11 to 19 years old with one or more relatives with breast cancer or a familial BRCA1/2 mutation (breast cancer family history [BCFH] positive, n = 208; n = 69 with BRCA1/2-positive mother), peers (BCFH negative, n = 112), and their mothers completed assessments of psychosocial adjustment, breast cancer-specific distress, and perceived risk of breast cancer...
October 1, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27200246/a-15-year-old-girl-with-an-asymmetric-hemitruncal-fat-distribution-hemihyperthrophy-or-hemiatrophy
#4
Inge van der Velpen, Pamela Schendelaar, Evelyn van Pinxteren-Nagler, Chantal M Mouës-Vink
A 15-year-old girl presented to the pediatrician with complaints of excessive fat distribution on the right side and breast asymmetry. At age 2, she had undergone a left-sided nephrectomy because of a stage III Wilms tumor using a transverse cut supraumbilical approach, followed by systemic chemotherapy and local radiotherapy. In the case of trunk asymmetry, it is questionable which side is deviant. The asymmetry may be an expression of isolated hemihyperthrophy, syndromal hemihypertrophy related to the Wilms tumor, or an expression of left-sided hemiatrophy as a late consequence of radiotherapy, chemotherapy, or surgery...
April 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/26962195/higher-childhood-red-meat-intake-frequency-is-associated-with-earlier-age-at-menarche
#5
Erica C Jansen, Constanza Marín, Mercedes Mora-Plazas, Eduardo Villamor
BACKGROUND: Early age at menarche is associated with increased breast cancer risk. Red meat consumption in adolescence predicts breast cancer risk, but it is unknown whether it is also related to earlier menarche. OBJECTIVE: We studied the association between intake of red meat at ages 5-12 y and age at menarche in a prospective study. METHODS: We assessed usual diets with a food-frequency questionnaire in a group of 456 girls aged 8.4 ± 1...
March 9, 2016: Journal of Nutrition
https://www.readbyqxmd.com/read/26915924/gynecologic-and-obstetric-consequences-of-obesity-in-adolescent-girls
#6
Leticia Elizondo-Montemayor, Claudia Hernández-Escobar, Eduardo Lara-Torre, Bianca Nieblas, Merith Gómez-Carmona
In the last few decades, there has been an overwhelming increase in childhood and adolescent obesity worldwide. Besides the well-recognized cardiometabolic complications and other physical conditions associated with obesity, during adolescence, it causes psychological and social distress in a period of life that is already sensitive to a girl. This in turn increases their risk of low self-esteem and depression. Furthermore, obesity diminishes health-related quality of life and years of life. Overweight and obese teenagers are more likely to have gynecologic and obstetric complications, both, during adolescence and later in life...
February 22, 2016: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/26838256/bioimpedence-to-assess-breast-density-as-a-risk-factor-for-breast-cancer-in-adult-women-and-adolescent-girls
#7
Gertraud Maskarinec, Yukiko Morimoto, Michelle B Laguana, Rachel Novotny, Rachael T Leon Guerrero
Although high mammographic density is one of the strongest predictors of breast cancer risk, X-ray based mammography cannot be performed before the recommended screening age, especially not in adolescents and young women. Therefore, new techniques for breast density measurement are of interest. In this pilot study in Guam and Hawaii, we evaluated a radiation-free, bioimpedance device called Electrical Breast DensitometerTM (EBD; senoSENSE Medical Systems, Inc., Ontario, Canada) for measuring breast density in 95 women aged 31-82 years and 41 girls aged 8-18 years...
2016: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/26084210/adolescent-dietary-vitamin-d-and-sun-exposure-in-relation-to-benign-breast-disease
#8
Caroline E Boeke, Rulla M Tamimi, Catherine S Berkey, Graham A Colditz, Edward Giovannucci, Susan Malspeis, Walter C Willett, A Lindsay Frazier
PURPOSE: Vitamin D may reduce cell proliferation and tumor growth in breast tissue, and exposure may be most important during adolescence when breast tissue is developing. In the Nurses' Health Study II, higher recalled adolescent vitamin D intake was associated with a lower risk of benign breast disease (BBD). Our study aimed to assess adolescent vitamin D exposure in relation to BBD in young women. METHODS: Vitamin D was assessed in 6,593 adolescent girls (9-15 years of age at baseline) in the prospective Growing Up Today Study cohort using the mean energy-adjusted intakes from food frequency questionnaires in 1996, 1997, and 1998...
August 2015: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/26046606/bone-density-and-timing-of-puberty-in-a-longitudinal-study-of-girls
#9
Ashley M Cattran, Heidi J Kalkwarf, Susan M Pinney, Bin Huang, Frank M Biro
STUDY OBJECTIVE: Primary: To examine the relationship between relative timing of puberty with bone mineral density (BMD) in a group of adolescent girls; Secondary: To determine if family history of breast cancer was associated with bone mineral density. DESIGN/SETTING/PARTICIPANTS: Longitudinal study of girls recruited between 6 and 7 years of age seen every 6 months for 5 years, and subsequently seen annually. BMD of the lumbar spine was measured by dual-energy X-ray absorptiometry (DXA) at mean age of 12...
June 2015: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/25850589/breast-disorders-in-girls-and-adolescents-is-there-a-need-for-a-specialized-service
#10
Lina Michala, Alexandra Tsigginou, Dimitris Zacharakis, Constantine Dimitrakakis
INTRODUCTION: Minor breast concerns in childhood and adolescence are common and lead to increased anxiety among young patients and their families, particularly due to high correlation with breast cancer. However, most breast services aim at managing adults and triaging patients with breast cancer, whereas adolescent medicine specialists or pediatricians are usually not appropriately trained to identify and treat breast pathology. METHODS: We reviewed hospital records of all patients attending a pediatric and adolescent gynecology or breast clinic of a tertiary referral hospital, with a breast related symptom, between January 2009 and December 2011...
April 2015: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/25628346/sugar-sweetened-beverage-consumption-and-age-at-menarche-in-a-prospective-study-of-us-girls
#11
J L Carwile, W C Willett, D Spiegelman, E Hertzmark, J Rich-Edwards, A L Frazier, K B Michels
STUDY QUESTION: Is sugar-sweetened beverage (SSB) consumption associated with age at menarche? SUMMARY ANSWER: More frequent SSB consumption was associated with earlier menarche in a population of US girls. WHAT IS KNOWN ALREADY: SSB consumption is associated with metabolic changes that could potentially impact menarcheal timing, but direct associations with age at menarche have yet to be investigated. STUDY DESIGN, SIZE, DURATION: The Growing up Today Study, a prospective cohort study of 16 875 children of Nurses' Health Study II participants residing in all 50 US states...
March 2015: Human Reproduction
https://www.readbyqxmd.com/read/25596814/uses-of-anti-m%C3%A3-llerian-hormone-amh-measurement-before-and-after-cancer-treatment-in-women
#12
REVIEW
Cheryl E Dunlop, Richard A Anderson
There is a growing body of evidence supporting the use of anti-Müllerian hormone (AMH) serum levels as a biomarker of the growing follicle pool, in turn taken to reflect the ovarian reserve, in patients being treated for cancer. Many cancer therapies are gonadotoxic, often inducing premature ovarian insufficiency (POI) and thus rendering such patients infertile. The degree of ovariotoxicity is related to the type of treatment, dosage and patient's age. As survival rates from cancer improve, post-treatment reproductive health is becoming increasingly important to affected girls and women of reproductive age to allow them to have biologically-related children...
March 2015: Maturitas
https://www.readbyqxmd.com/read/25460659/urinary-bisphenol-a-and-age-at-menarche-among-adolescent-girls-evidence-from-nhanes-2003-2010
#13
Laura A McGuinn, Armen A Ghazarian, L Joseph Su, Gary L Ellison
BACKGROUND: Bisphenol A (BPA) is an environmental estrogen used in the manufacture of polycarbonate plastics and epoxy resins used to make food and beverage packaging. Increasing evidence suggests that BPA mimics estrogens in the body and may be associated with putative markers of breast cancer risk. OBJECTIVES: We analyzed the National Health and Nutrition Examination Survey (NHANES) 2003-2010 data to investigate the association of BPA with age at menarche in adolescent girls...
January 2015: Environmental Research
https://www.readbyqxmd.com/read/25335465/the-interaction-between-early-life-body-size-and-physical-activity-on-risk-of-breast-cancer
#14
Hannah Oh, Caroline E Boeke, Rulla M Tamimi, Stephanie A Smith-Warner, Molin Wang, Walter C Willett, A Heather Eliassen
While early-life body leanness is associated with increased breast cancer risk, early-life physical activity may protect against breast cancer. We examined whether the excess risk among lean girls is modified by their levels of prior, concurrent, or future physical activity. We conducted an analysis among 74,723 women in the Nurses' Health Study II (follow-up 1997-2011). Participants recalled their body size at ages 5, 10 and 20 years in 1989 using a 9-level pictogram (Level 1 most lean). In 1997, they reported adolescent levels of physical activity (ages 12-13 and 14-17 years)...
August 1, 2015: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/25271096/effect-of-web-based-messages-on-girls-knowledge-and-risk-perceptions-related-to-cigarette-smoke-and-breast-cancer-6-month-follow-up-of-a-randomized-controlled-trial
#15
Jennifer Schwartz, Joan L Bottorff, Pamela A Ratner, Carolyn Gotay, Kenneth C Johnson, Jasmina Memetovic, Chris G Richardson
BACKGROUND: Evidence indicating an association between cigarette smoke exposure and an increase in breast cancer risk highlights the need for health messages that aim to prevent smoking initiation and reduce secondhand smoke (SHS) exposure among adolescent girls. OBJECTIVE: This study aimed to evaluate the efficacy of targeted gender-sensitive, breast cancer-specific, Web-based messages about the increased risk of breast cancer associated with cigarette smoke exposure...
2014: JMIR Research Protocols
https://www.readbyqxmd.com/read/25202382/secretory-breast-carcinoma-in-a-12-year-old-girl-a-case-report
#16
Ya-Qi Wang, Yu Wang, Jing-Hua Zhang, Yu-Feng Li, Hong-Min Li, Lei Wang, Yuan Yao
Secretory breast carcinoma (SBC) is a rare tumor that was originally described in children and adolescent women, with a characteristic morphology and controversy regarding the choice of treatment. This unusual breast cancer subtype generally has a favorable prognosis, although several cases have been described in adults with increased tumor aggressiveness and a risk of metastases. Surgery is considered the most appropriate treatment for this pathology. The present study describes the case of a 12-year-old female who presented with a painless lump in the left breast, and subsequently underwent a biopsy of the sentinel lymph node and a partial resection of the left breast (breast-conserving therapy)...
October 2014: Oncology Letters
https://www.readbyqxmd.com/read/25128362/-optimization-of-radiological-scoliosis-assessment
#17
REVIEW
Goya Enríquez, Joaquim Piqueras, Ana Catalá, Glòria Oliva, Agustí Ruiz, Montserrat Ribas, Carmina Duran, Carlos Rodrigo, Eugenia Rodríguez, Victoria Garriga, Teresa Maristany, César García-Fontecha, Joan Baños, Jordi Muchart, Fernando Alava
Most scoliosis are idiopathic (80%) and occur more frequently in adolescent girls. Plain radiography is the imaging method of choice, both for the initial study and follow-up studies but has the disadvantage of using ionizing radiation. The breasts are exposed to x-ray along these repeated examinations. The authors present a range of recommendations in order to optimize radiographic exam technique for both conventional and digital x-ray settings to prevent unnecessary patients' radiation exposure and to reduce the risk of breast cancer in patients with scoliosis...
July 2014: Medicina Clínica
https://www.readbyqxmd.com/read/25109215/a-social-media-approach-to-inform-youth-about-breast-cancer-and-smoking-an-exploratory-descriptive-study
#18
Joan L Bottorff, Laura L Struik, Laura J L Bissell, Raquel Graham, Jodie Stevens, Chris G Richardson
Tobacco exposure during periods of breast development has been shown to increase risk of premenopausal breast cancer. An urgent need exists, therefore, to raise awareness among adolescent girls about this new evidence, and for adolescent girls and boys who smoke to understand how their smoking puts their female peers at risk for breast cancer. The purpose of this study was to develop two youth-informed, gender specific YouTube-style videos designed to raise awareness among adolescent girls and boys about tobacco exposure as a modifiable risk factor for breast cancer and to assess youths' responses to the videos and their potential for inclusion on social media platforms...
2014: Collegian: Journal of the Royal College of Nursing, Australia
https://www.readbyqxmd.com/read/25088245/paradoxical-zinc-toxicity-and-oxidative-stress-in-the-mammary-gland-during-marginal-dietary-zinc-deficiency
#19
Zeynep Bostanci, Ronald P Mack, Sooyeon Lee, David I Soybel, Shannon L Kelleher
Zinc (Zn) regulates numerous cellular functions. Zn deficiency is common in females; ∼80% of women and 40% of adolescent girls consume inadequate Zn. Zn deficiency enhances oxidative stress, inflammation and DNA damage. Oxidative stress and inflammation is associated with breast disease. We hypothesized that Zn deficiency increases oxidative stress in the mammary gland, altering the microenvironment and architecture. Zn accumulated in the mammary glands of Zn deficient mice and this was associated with macrophage infiltration, enhanced oxidative stress and over-expression of estrogen receptor α...
July 2015: Reproductive Toxicology
https://www.readbyqxmd.com/read/25034340/adolescent-physical-activity-and-inactivity-a-prospective-study-of-risk-of-benign-breast-disease-in-young-women
#20
Catherine S Berkey, Rulla M Tamimi, Walter C Willett, Bernard Rosner, A Lindsay Frazier, Graham A Colditz
In previous investigations of adolescent activity recalled in adulthood, modest reductions in risk of benign breast disease (BBD) and premenopausal breast cancer were seen with moderate-strenuous activity during high school. We therefore investigated physical activity, walking, and recreational inactivity (watching TV-videos, playing computer-videogames) reported by adolescent girls in relation to their subsequent risk for BBD as young women. The Growing Up Today Study includes 9,039 females, 9-15 years at study initiation (1996), who completed questionnaires annually through 2001, then in 2003, 2005, 2007, 2010 and 2013...
August 2014: Breast Cancer Research and Treatment
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