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Age at menarche

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https://www.readbyqxmd.com/read/29333008/metabolic-syndrome-and-breast-cancer-risk
#1
Burhan Wani, Shiekh Aejaz Aziz, Mohammad Ashraf Ganaie, Mohammad Hussain Mir
Objective: The study was meant to estimate the prevalence of metabolic syndrome in patients with breast cancer and to establish its role as an independent risk factor on occurrence of breast cancer. Materials and Methods: Fifty women aged between 40 and 80 years with breast cancer and fifty controls of similar age were assessed for metabolic syndrome prevalence and breast cancer risk factors, including age at menarche, reproductive status, live births, breastfeeding, and family history of breast cancer, age at diagnosis of breast cancer, body mass index, and metabolic syndrome parameters...
October 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29321542/timing-of-spermarche-and-menarche-among-urban-students-in-guangzhou-china-trends-from-2005-to-2012-and-association-with-obesity
#2
Yusheng Deng, Jianping Liang, Yinan Zong, Ping Yu, Runsheng Xie, Yangfeng Guo, Zhen Wang, Nali Deng, Yanhui Gao, Yi Jiang, Yi Yang, Jiewen Yang, Li Liu
In Guangzhou, China, whether the trend of a decreasing pubertal age has continued in recent years remained unknown, and the association between obesity and early puberty was still controversial. Herein, we conducted a serial cross-sectional study using data from physical fitness surveillance (2005-2012), to determine the recent trends in age at spermarche and menarche among students in Guangzhou, and to investigate whether elevated BMI modified timing of spermarche and menarche. This study included 1,278,258 urban students...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29302548/a-descriptive-cross-sectional-study-on-menstrual-hygiene-and-perceived-reproductive-morbidity-among-adolescent-girls-in-a-union-territory-india
#3
Prakash Mathiyalagen, Birundhanjali Peramasamy, Kavita Vasudevan, Mausumi Basu, Johnson Cherian, Buvaneshwari Sundar
Introduction: Menstruation is a milestone event in a girl's life and the beginning of reproductive life. Lack of knowledge and poor sanitary practices during menstruation has been associated with serious ill-health ranging from genital tract infections, urinary tract infections, and bad odor. Aim: This study aims to explore the knowledge, attitude, and practices about menstrual hygiene and perceived reproductive morbidity among adolescent school girls in Puducherry...
April 2017: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/29301538/hair-product-use-age-at-menarche-and-mammographic-breast-density-in-multiethnic-urban-women
#4
Jasmine A McDonald, Parisa Tehranifar, Julie D Flom, Mary Beth Terry, Tamarra James-Todd
BACKGROUND: Select hair products contain endocrine disrupting chemicals (EDCs) that may affect breast cancer risk. We hypothesize that, if EDCs are related to breast cancer risk, then they may also affect two important breast cancer risk factors: age at menarche and mammographic breast density. METHODS: In two urban female cohorts (N = 248): 1) the New York site of the National Collaborative Perinatal Project and 2) the New York City Multiethnic Breast Cancer Project, we measured childhood and adult use of hair oils, lotions, leave-in conditioners, root stimulators, perms/relaxers, and hair dyes using the same validated questionnaire...
January 4, 2018: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/29300925/progesterone-mediated-inhibition-of-the-gnrh-pulse-generator-differential-sensitivity-as-a-function-of-sleep-status
#5
Su Hee Kim, Jessica A Lundgren, Ruchi Bhabhra, Jessicah S Collins, James T Patrie, Christine M Burt Solorzano, John C Marshall, Christopher R McCartney
Context: During normal early puberty, luteinizing hormone (LH) pulse frequency is low while awake but increases during sleep. Mechanisms underlying such changes are unclear, but a small study in early pubertal girls suggested that differential wake-sleep sensitivity to progesterone negative feedback plays a role. Objective: To test the hypothesis that progesterone acutely reduces waking LH pulse frequency more than sleep-associated pulse frequency in late pubertal girls...
December 28, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29298699/menstrual-health-and-school-absenteeism-among-adolescent-girls-in-uganda-meniscus-a-feasibility-study
#6
George Miiro, Rwamahe Rutakumwa, Jessica Nakiyingi-Miiro, Kevin Nakuya, Saidat Musoke, Juliet Namakula, Suzanna Francis, Belen Torondel, Lorna J Gibson, David A Ross, Helen A Weiss
BACKGROUND: Management of menstruation can present substantial challenges to girls in low-income settings. In preparation for a menstrual hygiene intervention to reduce school absenteeism in Uganda, this study aimed to investigate menstruation management practices, barriers and facilitators, and the influence of menstruation on school absenteeism among secondary school students in a peri-urban district of Uganda. METHODS: Qualitative and quantitative studies were conducted among consenting girls and boys aged 14-17 years in four secondary schools in Entebbe sub-District, Uganda...
January 3, 2018: BMC Women's Health
https://www.readbyqxmd.com/read/29279324/age-at-menarche-depression-and-antisocial-behavior-in-adulthood
#7
Jane Mendle, Rebecca M Ryan, Kirsten M P McKone
BACKGROUND: Early pubertal timing in girls is one of the best-replicated antecedents of a range of mental health problems during adolescence, but few researchers have examined the duration of these effects. METHODS: We leverage a nationally representative sample (N = 7802 women) managed prospectively from adolescence over a period of ∼14 years to examine associations of age at menarche with depressive symptoms and antisocial behaviors in adulthood. RESULTS: Earlier ages at menarche were associated with higher rates of both depressive symptoms and antisocial behaviors in early-middle adulthood largely because difficulties that started in adolescence did not attenuate over time...
December 26, 2017: Pediatrics
https://www.readbyqxmd.com/read/29278519/gnrh-dependent-precocious-puberty-manifested-at-the-age-of-14-months-in-a-girl-with-47-xxx-karyotype
#8
Nicos Skordis, Eleana Ferrari, Aria Antoniadou, Leonidas A Phylactou, Pavlos Fanis, Vassos Neocleous
This case report describes a 47,XXX girl who presented very early, at the age of 14 months, with signs of sexual precocity (breast and pubic hair development, menarche) and was finally diagnosed with GnRH dependent precocious puberty with no evidence of underlying central nervous system pathology. Molecular testing did not identify any genetic defect in any of the genes tested (KISS1, KISS1R, DLK1 and the intronless MKRN3). Though previous studies have shown a link between karyotype 47,XXX and precocious puberty, this is the youngest patient reported so far...
July 2017: Hormones: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29277970/personality-and-breast-cancer-screening-in-women-of-the-gazel-cohort-study
#9
Cédric Lemogne, Monica Turinici, Henri Panjo, Charlotte Ngo, Florence Canoui-Poitrine, Jean-Christophe Chauvet-Gelinier, Frédéric Limosin, Silla M Consoli, Marcel Goldberg, Marie Zins, Virginie Ringa
The potential benefit of breast cancer screening is mitigated by the risk of false positives and overdiagnosis, thus advocating for a more personalized approach, based on the individual benefit-harm balance. Since personality might influence the women's appraisal of this balance, this prospective observational cohort study examined whether it could influence mammography use. A total of 2691 postmenopausal women of the GAZEL Cohort Study completed the Bortner Type A Rating Scale and the Buss and Durkee Hostility Inventory in 1993...
December 26, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/29276652/endometriosis-epidemiology-diagnosis-and-clinical-management
#10
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/29275408/prediction-of-spontaneous-puberty-in-turner-syndrome-based-on-mid-childhood-gonadotropin-concentrations-karyotype-and-ovary-visualization-a-longitudinal-study
#11
Magdalena Hankus, Kamil Soltysik, Kamila Szeliga, Aleksandra Antosz, Agnieszka Drosdzol-Cop, Krzysztof Wilk, Agnieszka Zachurzok, Ewa Malecka-Tendera, Aneta Monika Gawlik
AIMS: To investigate whether karyotype, mid-childhood (6-10 years) follicle-stimulating hormone (FSH) and luteinizing hormone (LH) levels, and ultrasound ovary visualization results can be used as indicators of spontaneous puberty in Turner syndrome (TS). METHODS: The analysis was based on clinical and biochemical data from 110 TS girls aged >13 years at the end of the study (1,140 visits between 1996 and 2015). The study population was divided according to karyotype: 45,X and non-45,X...
December 22, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/29259057/influencing-factors-of-dysmenorrhoea-among-hospital-nurses-a-questionnaire-survey-in-taiwan
#12
Min-Hui Chiu, Hsiu-Fen Hsieh, Yi-Hsin Yang, Huei-Mein Chen, Su-Chen Hsu, Hsiu-Hung Wang
OBJECTIVES: Nurses are at high risk of dysmenorrhoea while working with patients. The study objectives were to: (1) describe the demographic and menstruation characteristics of dysmenorrhoea, knowledge about dysmenorrhoea and menstrual attitudes towards menstruation among dysmenorrhoeal and non-dysmenorrhoeal hospital nurses; (2) identify significant differences between the groups; and (3) examine factors influencing dysmenorrhoea. METHODS: This cross-sectional survey used a structured questionnaire, administered at two hospitals in southern Taiwan...
December 19, 2017: BMJ Open
https://www.readbyqxmd.com/read/29247637/spectrum-of-symptoms-in-women-diagnosed-with-endometriosis-during-adolescence-versus-adulthood
#13
Amy D DiVasta, Allison F Vitonis, Marc R Laufer, Stacey A Missmer
BACKGROUND: Endometriosis symptoms often start at a young age, and the time between symptom onset and endometriosis diagnosis can be several years. It is not clear if symptoms experienced by adolescents differ from adults. Better understanding may shorten the often lengthy delay in diagnosis. OBJECTIVE: To further elucidate the symptom presentation of adolescents as compared to adults to determine if differences existed based upon age at surgical diagnosis that could impact time to diagnosis...
December 13, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29240516/association-between-duration-of-reproductive-years-and-metabolic-syndrome
#14
Yon Chul Park, Tae Sic Lee, Hee-Taik Kang, Eun Suk Cho, Jai Soon Kim, Yoo Jung Hwang, Jong-Koo Kim
BACKGROUND: The incidence of metabolic syndrome (MetS) has gradually increased in recent years. MetS has been associated with age at menarche and menopause; however, the association between MetS and the reproductive span remains unclear. MATERIALS AND METHODS: This study examined MetS and the reproductive span among 1,214 participants of the 2014 Korea National Health and Nutrition Examination Surveys, a stratified, complex, multistage, probability cluster survey conducted by the Division of Chronic Disease Surveillance of the Korea Center for Disease Control and Prevention since 1998...
December 14, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/29235933/faster-ticking-rate-of-the-epigenetic-clock-is-associated-with-faster-pubertal-development-in-girls
#15
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)...
December 13, 2017: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/29228056/back-and-neck-pain-and-function-in-females-with-adolescent-idiopathic-scoliosis-a-follow-up-at-least-23-years-after-conservative-treatment-with-a-milwaukee-brace
#16
Ewa Misterska, Jakub Głowacki, Adam Okręt, Maria Laurentowska, Maciej Głowacki
We aimed to explore the long-term outcomes of back and neck pain and functionality in adult females with adolescent idiopathic scoliosis (AIS), who had been treated with a Milwaukee brace, in a follow-up study a minimum of 23 years after the completion of the treatment, using radiological, clinical and socio-demographical data. Thirty AIS patients (scoliosis group-SG), were included in the study based on an extensive search of Pediatric Orthopedics and Traumatology Clinic charts. All treatments were successfully completed between 1974 and 1990...
2017: PloS One
https://www.readbyqxmd.com/read/29214820/weight-management-behaviors-among-mexican-american-youth-cross-sectional-variation-by-timing-of-growth-and-maturation
#17
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...
January 1, 2017: American Journal of Health Promotion: AJHP
https://www.readbyqxmd.com/read/29211180/factors-associated-with-first-sexual-intercourse-among-mothers-with-14-16-years-of-age-from-porto-alegre-rs-brazil
#18
Mara Cristiany Rodrigues Spinola, Jorge Umberto Béria, Lígia Braun Schermann
This study analyzed the factors associated with first sexual intercourse among 427 mothers with 14-16 years of age from Porto Alegre (RS), Brazil. Data on adolescent socio-demographic status (skin color, religion and schooling gap) and reproductive aspects (age at menarche, age at first sexual intercourse, partnership in first sexual intercourse and partner's age) were collected through household survey. Data analysis was performed using bivariate and multivariate analysis through Poisson regression with robust variance...
November 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/29207971/comparison-of-the-association-of-mammographic-density-and-clinical-factors-with-ductal-carcinoma-in-situ-versus-invasive-ductal-breast-cancer-in-korean-women
#19
Hyeonyoung Ko, Jinyoung Shin, Jeong Eon Lee, Seok Jin Nam, Tuong Linh Nguyen, John Llewelyn Hopper, Yun-Mi Song
BACKGROUND: In spite of the increasing incidence of in situ breast cancer, the information about the risk factors of in situ breast cancer (DCIS) is scarce as compared to the information available for invasive ductal breast cancer (IDC), with inconsistent findings regarding the difference in risk factors between DCIS and IDC. METHODS: We enrolled 472 women with IDC and 90 women with DCIS and 1088 controls matching for age and menopausal status. Information on risk factors was collected through self-administered questionnaire...
December 5, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29204256/reproductive-disturbances-among-saudi-adolescent-girls-and-young-women-with-type-1-diabetes-mellitus
#20
Rim Braham, Asirvatham Alwin Robert, Maha Ali Musallam, Abdulaziz Alanazi, Nawaf Bin Swedan, Mohamed Abdulaziz Al Dawish
AIM: To identify reproductive disturbances among adolescent girls and young women with type 1 diabetes mellitus (T1DM) in Saudi Arabia. METHODS: This cross sectional study was conducted among 102 female with T1DM, (aged 13-29 years) who attended the Diabetes Clinic at Diabetes Treatment Center, Prince Sultan Military Medical City, Saudi Arabia between April 2015 to March 2016. Clinical history, anthropometric characteristics and reproductive disturbance were collected through a questionnaire...
November 15, 2017: World Journal of Diabetes
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