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L Maïmoun, F Paris, O Coste, C Sultan
Participation in recreational physical activity is widely acknowledged to provide significant health benefits. Conversely, intense training imposes several constraints, such as intermittent or chronic metabolic and psychogenic training stressors and maintenance of very low body fat to maximize performance. Adolescent and adult athletic women are therefore at risk of overtraining and/or poor dietary intake, which may have several consequences for endocrine function particularly on hypothalamic-pituitary-gonadal axis...
October 14, 2016: Gynécologie, Obstétrique & Fertilité
Alexandra J Hawkey, Jane M Ussher, Janette Perz, Christine Metusela
Experiences and constructions of menarche and menstruation are shaped by the sociocultural environment in which women are embedded. We explored experiences and constructions of menarche and menstruation among migrant and refugee women resettled in Sydney, Australia, and Vancouver, Canada. Seventy-eight semistructured individual interviews and 15 focus groups comprised of 82 participants were undertaken with women from Afghanistan, Iraq, Somalia, South Sudan, Sudan, Sri Lanka, and varying South American countries...
October 14, 2016: Qualitative Health Research
Puja Dudeja, Apoorva Sindhu, Pooja Shankar, Tukaram Gadekar
INTRODUCTION: Reproductive health of adolescent girls is crucial as it determines the health of future generations. School girls when experiencing menarche find themselves in a setting without water, toilets or a supportive female teacher to explain the changes happening in their body. An important concern for adolescent girls is to have adequate, correct knowledge along with facilities and the cultural environment to manage menstruation hygienically and with dignity. Hence, the present study was done to assess knowledge and practices about menstruation in adolescent school girls of an urban slum...
October 14, 2016: International Journal of Adolescent Medicine and Health
Natalie R Langley, Sandra Cridlin
Secular changes refer to short-term biological changes ostensibly due to environmental factors. Two well-documented secular trends in many populations are earlier age of menarche and increasing stature. This study synthesizes data on maximum clavicle length and fusion of the medial epiphysis in 1840-1980 American birth cohorts to provide a comprehensive assessment of developmental and morphological change in the clavicle. Clavicles from the Hamann-Todd Human Osteological Collection (n = 354), McKern and Stewart Korean War males (n = 341), Forensic Anthropology Data Bank (n = 1,239), and the McCormick Clavicle Collection (n = 1,137) were used in the analysis...
January 2016: Human Biology
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
Xia Cao, Jiansong Zhou, Hong Yuan, Zhiheng Chen
AIM: This study aimed to assess the associations between menstrual characteristics and the prevalence of metabolic syndrome (MetS) and non-alcoholic fatty liver disease. METHODS: A cross-sectional study was conducted with a sample of 1625 postmenopausal women in China. Subjects were classified into three groups according to the tertiles of some variables related to the reproductive life. We assessed associations in multivariable-adjusted analyses, using logistic regressions...
October 8, 2016: Journal of Obstetrics and Gynaecology Research
Marisa Morgan, Alok Deoraj, Quentin Felty, Deodutta Roy
BACKGROUND: Estrogen-mimicking endocrine disruptors (EEDs) such as polychlorinated biphenyls (PCBs), bisphenol A (BPA), and phthalates have been found ubiquitously throughout our environment. Although exposure to EEDs has the ability to interfere with endocrine control of reproductive function and development in both humans and wildlife, inconsistent reports have made it difficult to draw conclusions concerning the hypothesized increased risk of breast cancer associated with EEDs. OBJECTIVES: The purpose of this study was to examine the cross-sectional relationship between exposure to PCBs, BPA or phthalates; and risk of breast cancer in U...
October 4, 2016: Molecular and Cellular Endocrinology
Di Xiao, Weihuang Huang, Meiling Ou, Congcong Guo, Xingguang Ye, Yang Liu, Man Wang, Baohuan Zhang, Na Zhang, Shiqi Huang, Jiankun Zang, Zixing Zhou, Zihao Wen, Chengli Zeng, Chenfei Wu, Chuican Huang, Xiangcai Wei, Guang Yang, Chunxia Jing
Human papillomavirus (HPV) infection is a definite risk factor for cervical cancer. Nevertheless, only some infected individuals actually develop cervical cancer. The cGAS-STING pathway in innate immunity plays an important role in protecting against HPV infection. Chen et al. described that the rs2516448 SNP in the MHC locus may affect susceptibility to cervical cancer, a finding that we attempted to replicate in a Chinese population. To investigate the effects of cGAS, STING and MHC polymorphisms on susceptibility to cervical precancerous lesions, 9 SNPs were analyzed in 164 cervical precancerous lesion cases and 428 controls...
October 1, 2016: Oncotarget
Amy L Shafrir, Ana Babic, Rulla M Tamimi, Bernard A Rosner, Shelley S Tworoger, Kathryn L Terry
BACKGROUND: Ovarian cancer survival is poor, particularly for platinum-resistant cases. The previous literature on pre-diagnostic reproductive factors and ovarian cancer survival has been mixed. Therefore, we evaluated pre-diagnostic reproductive and hormonal factors with overall survival and, additionally, platinum-chemotherapy resistance. METHODS: We followed 1649 invasive epithelial ovarian cancer cases who were enrolled between 1992 and 2008 for overall mortality within the New England Case-Control Study and abstracted chemotherapy data on a subset (n=449)...
October 4, 2016: British Journal of Cancer
Chia-Chun Li, Tsui-Hsia Feng
Endometrial cancer is the most common gynecological cancer and the sixth most common cancer among women in Taiwan. Risk factors for endometrial cancer include obesity, long-term estrogen replacement therapy, diabetes mellitus, hypertension, nulliparty, early age at menarche, late age at menopause, and tamoxifen therapy. Most women with endometrial cancer exhibit abnormal uterine bleeding. Endometrial cancer is often diagnosed at stage I. Surgery alone is the primary treatment for stage I endometrial cancer...
October 2016: Hu Li za Zhi the Journal of Nursing
Frédérique Albarel, Jeanne Perrin, Margaux Jegaden, Florence Roucher-Boulez, Rachel Reynaud, Thierry Brue, Blandine Courbiere
Steroidogenic acute regulatory protein (StAR) mutations are the most frequent aetiologies of congenital lipoid adrenal hyperplasia (CLAH). Phenotypes may vary, and puberty may be absent in affected individuals. To date, only two pregnancies have been described in 46,XX CLAH patients with StAR mutations; these patients exhibited ovarian steroidogenesis along with spontaneous puberty and menarche and normal menses. The patient described here presented with CLAH caused by the homozygous (unreported, 1 bp) deletion c...
October 3, 2016: Human Reproduction
Maria Sumia, Nina Lindberg, Marja Työläjärvi, Riittakerttu Kaltiala-Heino
OBJECTIVES: The aim of our study was to explore whether gender dysphoria in adolescent girls is associated with early pubertal timing. METHODS: We compared menarcheal timing among 52 adolescent girl-to-boy sex reassignment (SR) applicants with that of 644 adolescent girls who participated in an adolescent population mental health survey. RESULTS: Of the population girls, 21% presented with early (≤11 years), 61% with normative (12-13 years) and 19% with late (≥14 years) menarcheal timing; among the SR applicants, 42% presented with early, 46% with normative and 12% with late menarcheal timing (p = 0...
October 3, 2016: European Journal of Contraception & Reproductive Health Care
Claire A Sheldon, Grace L Paley, Rui Xiao, Anat Kesler, Ori Eyal, Melissa W Ko, Chantal J Boisvert, Robert A Avery, Vincenzo Salpietro, Paul H Phillips, Gena Heidary, Shana E McCormack, Grant T Liu
PURPOSE: To examine anthropometric and maturational characteristics at diagnosis in pediatric idiopathic intracranial hypertension (IIH). DESIGN: Retrospective, international, multisite study. PARTICIPANTS: Pediatric patients (2-18 years of age at diagnosis) with IIH. MAIN OUTCOME MEASURES: Body mass index (BMI), height, and weight Z-scores; sexual maturation. METHODS: Cases of IIH were identified retrospectively based on diagnostic code, pediatric neuro-ophthalmologist databases, or both and updated diagnostic criteria (2013) were applied to confirm definite IIH...
September 27, 2016: Ophthalmology
Ashraf Direkvand-Moghadam, Zainab Suhrabi, Malihe Akbari, Azadeh Direkvand-Moghadam
BACKGROUND: Female sexual dysfunction, which can occur during any stage of a normal sexual activity, is a serious condition for individuals and couples. The present study aimed to determine the prevalence and predictive factors of female sexual dysfunction in women referred to health centers in Ilam, the Western Iran, in 2014. METHODS: In the present cross-sectional study, 444 women who attended health centers in Ilam were enrolled from May to September 2014. Participants were selected according to the simple random sampling method...
September 2016: Korean Journal of Family Medicine
Jay Belsky, Idan Shalev
Two independent lines of inquiry suggest that growing up under conditions of contextual adversity (e.g., poverty and household chaos) accelerates aging and undermines long-term health. Whereas work addressing the developmental origins of health and disease highlights accelerated-aging effects of contextual adversity on telomere erosion, that informed by an evolutionary analysis of reproductive strategies highlights such effects with regard to pubertal development (in females). That both shorter telomeres early in life and earlier age of menarche are associated with poor health later in life raises the prospect, consistent with evolutionary life-history theory, that these two bodies of theory and research are tapping into the same evolutionary-developmental process whereby longer term health costs are traded off for increased probability of reproducing before dying via a process of accelerated aging...
September 30, 2016: Development and Psychopathology
Xinnan Zong, Hui Li, Yaqin Zhang, Huahong Wu
BACKGROUND: It is important to update weight-for-length/height growth curves in China and reexamine their performance in screening malnutrition. AIM: To develop weight-for-length/height growth curves for Chinese children and adolescents. SUBJECTS AND METHODS: A total of 94,302 children aged 0-19 years with complete sex, age, weight and length/height data were obtained from two cross-sectional large-scaled national surveys in China. Weight-for-length/height growth curves were constructed using the LMS method before and after average spermarcheal/menarcheal ages, respectively...
September 26, 2016: Annals of Human Biology
Mee-Hwa Lee, Shin Hye Kim, Minkyung Oh, Kuk-Wha Lee, Mi-Jung Park
BACKGROUND: An increased incidence of central precocious puberty has been recently reported in South Korea, which suggests an ongoing downward trend in pubertal development in the Korean population. We aimed to verify the trend in age at menarche in young Korean women during the last decade and associated factors. METHODS: We analyzed a population-based sample of 3409 Korean girls, aged 10-18 years, using data from the Korean National Health and Nutrition Examination Surveys (KNHANES) II (2001), III (2005), IV (2007-2009), and V (2010 and 2011)...
2016: Reproductive Health
Susana Bubach, Ana Maria Baptista Menezes, Fernando Celso Barros, Fernando César Wehrmeister, Helen Gonçalves, Maria Cecília Formoso Assunção, Bernardo Lessa Horta
BACKGROUND: Evidence suggests that early menarche is positively associated with adiposity in adulthood. However, it is important to assess whether this association is due to early menarche or to the association of adiposity in late childhood with age at menarche. We evaluated the association between age at menarche and body composition in adolescence and adulthood, among subjects who have been prospectively followed in two Brazilian birth cohort studies. METHODS: In 1982 and 1993, the hospitals births in Pelotas were identified, and these subjects have been followed for several times...
2016: BMC Public Health
Hongjuan Li, Chengye Ji, Liu Yang, Cheng Zhuang
BACKGROUND: Dehydroepiandrosterone sulphate (DHEAS), the most plentiful circulating adrenal hormone, may be considered as a marker of the onset of adrenarche and is involved in pubertal development and metabolic disorders. AIM: The objective of this study is to determine the genetic and environmental influences on the variation of basal DHEAS levels and pubertal development in pubertal girls. SUBJECTS AND METHODS: Three hundred and sixty twin girls aged 6-18-years were enrolled, consisting of 132 monozygotic pairs and 48 dizygotic pairs...
October 17, 2016: Annals of Human Biology
Vincenzo De Sanctis, Ihab Zaki Elhakim, Ashraf T Soliman, Heba Elsedfy, Nada Soliman, Rania Elalaily
: Obiective: To describe the characteristics of nipple development during puberty in Italian females. In addition this is compared with Tanner criteria for breast and pubic hair development at different stages and correlated with body mass index (BMI) and the menstrual age. DESIGN: Cross-sectional observational study. SETTING: Italian children and adolescents consecutively assessed at the Endocrine and Adolescent Outpatient Clinic of Private Accredited Quisisana Hospital of Ferrara...
2016: Acta Bio-medica: Atenei Parmensis
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