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menarche and height

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https://www.readbyqxmd.com/read/29678902/development-of-a-breast-cancer-risk-prediction-model-for-women-in-nigeria
#1
Shengfeng Wang, Temidayo O Ogundiran, Adeyinka Ademola, Olayiwola A Oluwasola, Adewunmi O Adeoye, Adenike Sofoluwe, Imran Morhason-Bello, Stella O Odedina, Imaria Agwai, Clement Adebamowo, Millicent Obajimi, Oladosu Ojengbede, Olufunmilayo I Olopade, Dezheng Huo
BACKGROUND: Risk prediction models have been widely used to identify women at higher risk of breast cancer. We aim to develop a model for absolute breast cancer risk prediction for Nigerian women. METHODS: A total of 1,811 breast cancer cases and 2,225 controls from the Nigerian Breast Cancer Study (NBCS, 1998~2015) were included. Subjects were randomly divided into the training and validation sets. Incorporating local incidence rates, multivariable logistic regressions were used to develop the model...
April 20, 2018: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/29675261/growth-trajectory-and-pubertal-tempo-from-birth-till-final-height-in-a-girl-with-wolf-hirschhorn-syndrome
#2
Jia Xuan Siew, Fabian Yap
Growth anomaly is a prominent feature in Wolf-Hirschhorn syndrome (WHS), a rare congenital disorder caused by variable deletion of chromosome 4p. While growth charts have been developed for WHS patients 0-4 years of age and growth data available for Japanese WHS patients 0-17 years, information on pubertal growth and final height among WHS children remain lacking. Growth hormone (GH) therapy has been reported in two GH-sufficient children with WHS, allowing for pre-puberty catch up growth; however, pubertal growth and final height information was also unavailable...
2018: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/29673014/association-of-primary-dysmenorrhea-with-anthropometrical-and-socio-economic-factors-in-polish-university-students
#3
Martyna Zurawiecka, Iwona Wronka
AIMS: To examine the prevalence and factors correlated with primary dysmenorrhea in young female subjects. METHODS: Cross-sectional research was conducted among 1305 female university students aged 19-25 years. The following measurements were taken: height, body mass, waist circumference, hip circumference, the length of index and ring finger. A questionnaire was used to obtain information on menstrual pains, the characteristics of the menstrual cycles (regularity, duration), the number of the days of menstrual bleeding, age at menarche, overall health and socio-economic status of the subjects...
April 19, 2018: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29569713/adiposity-and-breast-cancer-risk-in-postmenopausal-women-results-from-the-uk-biobank-prospective-cohort
#4
Wenji Guo, Timothy J Key, Gillian K Reeves
Body size is an important modifiable risk factor for postmenopausal breast cancer. However, it remains unclear whether direct measures of fat mass are better indicators of risk than anthropometric measures, or whether central adiposity may contribute to risk beyond overall adiposity. We analyzed data from 162,691 postmenopausal women in UK Biobank followed from 2006-2014. Body size was measured by trained technicians. Multivariable-adjusted Cox regression was used to estimate relative risks. Analyses were stratified by age at recruitment, region, and socioeconomic status, and adjusted for family history of breast cancer, age at menarche, age at first birth, parity, age at menopause, previous hormone replacement therapy use, smoking, alcohol intake, height, physical activity, and ethnicity...
March 23, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29557678/rural-urban-variations-in-age-at-menarche-adult-height-leg-length-and-abdominal-adiposity-in-black-south-african-women-in-transitioning-south-africa
#5
Rihlat Said-Mohamed, Alessandra Prioreschi, Lukhanyo H Nyati, Alastair van Heerden, Richard J Munthali, Kathleen Kahn, Stephen M Tollman, Francesc Xavier Gómez-Olivé, Brian Houle, David B Dunger, Shane A Norris
BACKGROUND: The pre-pubertal socioeconomic environment may be an important determinant of age at menarche, adult height, body proportions and adiposity: traits closely linked to adolescent and adult health. AIMS: This study explored differences in age at menarche, adult height, relative leg-length and waist circumference between rural and urban black South African young adult women, who are at different stages of the nutrition and epidemiologic transitions. SUBJECTS AND METHODS: We compared 18-23 year-old black South African women, 482 urban-dwelling from Soweto and 509 from the rural Mpumalanga province...
March 20, 2018: Annals of Human Biology
https://www.readbyqxmd.com/read/29541059/secular-trends-on-birth-parameters-growth-and-pubertal-timing-in-girls-with-turner-syndrome
#6
Joachim Woelfle, Anders Lindberg, Ferah Aydin, Ken K Ong, Cecilia Camacho-Hubner, Bettina Gohlke
Background: Whether children with chromosomal disorders of growth and puberty are affected by secular trends (STs) as observed in the general population remains unanswered, but this question has relevance for expectations of spontaneous development and treatment responses. Objectives: The aim of the study was to evaluate STs in birth parameters, growth, and pubertal development in girls with Turner syndrome (TS). Study design: Retrospective analysis of KIGS data (Pfizer International Growth Database)...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29475798/-pubertal-growth-of-1-453-healthy-children-according-to-age-at-pubertal-growth-spurt-onset-the-barcelona-longitudinal-growth-study
#7
Antonio Carrascosa, Diego Yeste, Antonio Moreno-Galdó, Miquel Gussinyé, Ángel Ferrández, María Clemente, Mónica Fernández-Cancio
INTRODUCTION: Pubertal growth pattern differs according to age at pubertal growth spurt onset which occurs over a five years period (girls: 8-13 years, boys: 10-15 years). The need for more than one pubertal reference pattern has been proposed. We aimed to obtain five 1-year-age-interval pubertal patterns. SUBJECTS AND METHODS: Longitudinal (6 years of age-adult height) growth study of 1,453 healthy children to evaluate height-for-age, growth velocity-for-age and weight-for-age values...
February 20, 2018: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/29360659/high-risk-of-mismatch-between-sanders-and-risser-staging-in-adolescent-idiopathic-scoliosis-are-we-guiding-treatment-using-the-wrong-classification
#8
Anas Minkara, Nicole Bainton, Masashi Tanaka, Justin Kung, Christopher DeAllie, Alexandra Khaleel, Hiroko Matsumoto, Michael Vitale, Benjamin Roye
BACKGROUND: Despite known limitations, Risser staging has traditionally been the primary marker of skeletal maturity utilized in decision-making for treatment of adolescent idiopathic scoliosis (AIS). The purpose of this study is to assess the incidence and factors associated with mismatch between Risser Staging and Sanders classification, and determine interobserver reliability. METHODS: We reviewed the medical records of consecutive patients aged 10 to 18 referred to our institution for evaluation of AIS from January to June 2016 with a closed triradiate cartilage...
January 22, 2018: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29351271/risk-factors-for-low-birth-weight-according-to-the-multiple-logistic-regression-model-a-retrospective-cohort-study-in-jos%C3%A3-mar%C3%A3-a-morelos-municipality-quintana-roo-mexico
#9
José Franco Monsreal, Miriam Del Ruby Tun Cobos, José Ricardo Hernández Gómez, Lidia Esther Del Socorro Serralta Peraza
INTRODUCTION: Low birth weight has been an enigma for science over time. There have been many researches on its causes and its effects. Low birth weight is an indicator that predicts the probability of a child surviving. In fact, there is an exponential relationship between weight deficit, gestational age, and perinatal mortality. Multiple logistic regression is one of the most expressive and versatile statistical instruments available for the analysis of data in both clinical and epidemiology settings, as well as in public health...
January 17, 2018: Medwave
https://www.readbyqxmd.com/read/29323691/premature-thelarche
#10
Aditi Khokhar, Angela Mojica
Premature thelarche is a benign condition that affects young girls and may be interpreted as a sign of central precocious puberty (CPP). Parental concern is common when breast development is noted in a young girl. It is important to differentiate premature thelarche from CPP, as the latter is a more serious disorder that may affect final adult height and menarcheal age, and may have psychological implications as well. Distinguishing between the two conditions clinically may help the patients avoid unnecessary testing...
January 1, 2018: Pediatric Annals
https://www.readbyqxmd.com/read/29276652/endometriosis-epidemiology-diagnosis-and-clinical-management
#11
Parveen Parasar, Pinar Ozcan, Kathryn L Terry
Purpose of review: Endometriosis is a disease of adolescents and reproductive-aged women characterized by the presence of endometrial tissue outside the uterine cavity and commonly associated with chronic pelvic pain and infertility. Here we review the epidemiology of endometriosis as well as potential biomarkers for detection and with the goal of highlighting risk factors that could be used in combination with biomarkers to identify and treat women with endometriosis earlier.. Recent findings: Early age at menarche, shorter menstrual length, and taller height are associated with a higher risk of endometriosis while parity, higher body mass index (BMI) and smoking are associated with decreased risk...
March 2017: Current Obstetrics and Gynecology Reports
https://www.readbyqxmd.com/read/29235933/faster-ticking-rate-of-the-epigenetic-clock-is-associated-with-faster-pubertal-development-in-girls
#12
Alexandra M Binder, Camila Corvalan, Verónica Mericq, Ana Pereira, José Luis Santos, Steve Horvath, John Shepherd, Karin B Michels
Epigenetic age is an indicator of biological aging, capturing the impact of environmental and behavioral influences across time on cellular function. Deviance between epigenetic age and chronological age (AgeAccel) is a predictor of health. Pubertal timing has similarly been associated with cancer risk and mortality rate among females. We examined the association between AgeAccel and pubertal timing and adolescent breast composition in the longitudinal Growth and Obesity Cohort Study. AgeAccel was estimated in whole blood using the Horvath method at breast Tanner 2 (B2) and 4 (B4)...
2018: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/29214820/weight-management-behaviors-among-mexican-american-youth-cross-sectional-variation-by-timing-of-growth-and-maturation
#13
Jennifer L Gay, Eva V Monsma, Katie Darby Hein
PURPOSE: To assess the association between growth and maturation with weight management behaviors (WMBs) among Mexican American youth. DESIGN: A cross-sectional design was used to measure timing of growth and maturation as well as WMBs. SAMPLE: Students were recruited through physical education classes in south Texas schools. The sample included 623 participants (52.3% female; 49.8% with weight ≥85th percentile) in grades 4 through 12. Students in middle school were purposely oversampled to examine questions around timing of growth and maturation...
February 2018: American Journal of Health Promotion: AJHP
https://www.readbyqxmd.com/read/29200174/predictability-of-supine-radiographs-for-determining-in-brace-correction-for-adolescent-idiopathic-scoliosis
#14
Jason Pui Yin Cheung, Karen Kar Lum Yiu, Srinivasa Vidyadhara, Peggy Pui Yee Chan, Prudence Wing Hang Cheung, Kin Cheung Mak
STUDY DESIGN: Retrospective radiographic study OBJECTIVE.: To assess whether flexibility as revealed by the supine radiograph, predicts in-brace curve correction. SUMMARY OF BACKGROUND DATA: Currently there is no consensus regarding a standard method to assess curve flexibility and immediate brace effectiveness in treating adolescent idiopathic scoliosis (AIS). Brace fabrication methods may be variable but ideally it should achieve maximal curve correction. Curve flexibility governs the degree of curve correction in-brace and hence dynamic radiographs are commonly performed prior to brace fitting...
December 1, 2017: Spine
https://www.readbyqxmd.com/read/29199923/micronutrient-status-in-middle-childhood-and-age-at-menarche-results-from-the-bogot%C3%A3-school-children-cohort
#15
Eduardo Villamor, Constanza Marín, Mercedes Mora-Plazas, Henry Oliveros
Childhood intake of animal foods is associated with age at first menstrual period (menarche). It is unknown whether the micronutrients present in these foods could explain this association. Our objective was to investigate the associations of micronutrient status biomarkers in middle childhood with age at menarche. We quantified circulating Hb, ferritin, mean corpuscular volume, Zn, vitamin B12, erythrocyte folate and retinol in 1464 pre-menarcheal girls aged 5-12 years in Bogotá, Colombia, and followed them for a median 5·7 years for the occurrence and date of menarche...
December 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/29145277/tricho-hepato-enteric-syndrome-with-novel-skiv2l-gene-mutations-a-case-report
#16
Eitaro Hiejima, Takahiro Yasumi, Hiroshi Nakase, Minoru Matsuura, Yusuke Honzawa, Hirokazu Higuchi, Ikuo Okafuji, Tohru Yorifuji, Takayuki Tanaka, Kazushi Izawa, Tomoki Kawai, Ryuta Nishikomori, Toshio Heike
RATIONALE: Tricho-hepato-enteric syndrome (THES) is a rare disorder caused by mutations in the TTC37 or SKIV2L genes and characterized by chronic diarrhea, liver disease, hair abnormalities, and high mortality in early childhood due to severe infection or liver cirrhosis. PATIENT CONCERNS: The patient is the second child of three siblings born to non-consanguineous healthy Japanese parents. She had intrauterine growth retardation and was delivered at 33 weeks of gestation due to placental abruption...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29140420/growth-trajectories-breast-size-and-breast-tissue-composition-in-a-british-pre-birth-cohort-of-young-women
#17
Rachel Denholm, Bianca De Stavola, John H Hipwell, Simon J Doran, Marta C Busana, Martin O Leach, David J Hawkes, Isabel Dos-Santos-Silva
Mammographic % density, the proportion of fibroglandular tissue in the breast, is a strong risk factor for breast cancer, but its determinants in young women are unknown. We examined associations between magnetic resonance imaging (MRI) breast-tissue composition at age 21 years and prospectively-collected measures of body size and composition from birth to early adulthood, and markers of puberty (all standardized), in a sample of 500 nulliparous women from a pre-birth cohort of children born in Avon, England, in 1991-1992 and followed up to 2011-2014...
November 13, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/29131093/metformin-for-rapidly-maturing-girls-with-central-adiposity-less-liver-fat-and-slower-bone-maturation
#18
Francis de Zegher, Cristina García Beltrán, Abel López-Bermejo, Lourdes Ibáñez
BACKGROUND/AIMS: Girls with low-birth weight (LBW) and postnatal weight catch-up tend to develop visceral and hepatic fat excess, which may be accompanied by an upregulated adrenarche with precocious pubarche (PP) and by a rapidly progressive puberty with early menarche and shorter stature. A pilot study suggested that metformin treatment for 4 years reduces central adiposity in LBW-PP girls and normalizes puberty and adult height. In this cohort, we studied the relationship between metformin treatment, bone maturation, and body composition...
2018: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/29093792/managing-the-pediatric-spine-growth-assessment
#19
REVIEW
Jason Pui Yin Cheung, Keith Dip-Kei Luk
Management of pediatric spinal deformities requires an accurate prediction of growth spurts to allow for timely initiation of treatment and prevention of curve progression. Determining remaining growth potential is also important for avoiding prolonged unnecessary treatment, e.g. bracing for patients nearing skeletal maturity. Many clinical and radiological growth parameters have been developed to aid clinicians in growth prediction. Of these, several commonly used measures such as height and arm span growth trends, timing of menarche, and the Risser sign are mostly retrospective and lack strong predictive utility...
October 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/29072304/secular-trends-are-associated-with-the-demographic-and-epidemiologic-transitions-in-an-indigenous-community-in-oaxaca-southern-mexico
#20
Robert M Malina, Bertis B Little, Maria Eugenia Peña Reyes
OBJECTIVE: To test the hypothesis that secular changes in body size and age at menarche are related to the demographic and epidemiologic transitions in an indigenous community in Oaxaca, southern Mexico. METHODS: Data were derived from surveys of a Zapotec-speaking community conducted between 1968 and 2000. Segmented linear regressions of height, weight, BMI and recalled age at menarche on year of birth in cohorts of adults born before and after the demographic transition were used to evaluate secular changes...
January 2018: American Journal of Physical Anthropology
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