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Fernando V Ramirez Rozzi
To understand the diversity of human growth and development from an evolutionary point of view, there is an urgent need to characterize the life-history variables of vanishing forager societies. The small body size of the Baka pygmies is the outcome of a low growth rate during infancy. While the ages at sexual maturity, menarche, and first delivery are similar to those in other populations, fertility aspects are unknown. In the Le Bosquet district in Cameroon, thanks to systematic birth records kept from 1980 onwards, we were able to assign ages to individuals with certainty...
June 18, 2018: Proceedings of the National Academy of Sciences of the United States of America
Chan-Hee Jung, Ji-Oh Mok, Sung Woon Chang, Bora Lee, Ji Hyon Jang, Sukho Kang, Sang Hee Jung
It is suggested that vitamin D level and age at menarche are related to each other, and the prevalence of low vitamin D status and early menarche in women is increasing worldwide. Moreover, several studies revealed that both of them are associated with metabolic syndrome (MetS). Therefore, we hypothesized that there are significant associations among vitamin D status, age at menarche, and MetS and that the relationships differ according to menstrual state. We assessed whether the association among MetS, vitamin D, and menarche age is different between premenopausal and postmenopausal women and whether there is a change in risk of MetS according to vitamin D level in different age-at-menarche groups...
July 2018: Nutrition Research
Laura Freitas, Tânia Amorim, Ludovic Humbert, Roger Fonollá, Andreas D Flouris, George S Metsios, Athanasios Z Jamurtas, Yiannis Koutedakis
Given the lack of relevant data, the aim of this study was to examine femur cortical and trabecular bone in female and male professional ballet dancers. 40 professional ballet dancers and 40 sex- and age-matched non-exercising controls volunteered. Femoral bone density was scanned by dual-energy X-ray absorptiometry (DXA) scan. A 3D-DXA software was used to analyse trabecular and cortical bone. Anthropometry, maturation (Tanner staging), menstrual parameters (age at menarche and primary amenorrhea), energy availability and nutritional analysis (3-day record) were also assessed...
June 18, 2018: Journal of Sports Sciences
Lea L B Lauridsen, Linn H Arendt, Andreas Ernst, Nis Brix, Erik T Parner, Jørn Olsen, Cecilia H Ramlau-Hansen
OBJECTIVE: To study the association between maternal diabetes and timing of pubertal development in daughters and sons. DESIGN: Prospective cohort study. SETTING: Not applicable. PATIENT(S): A total of 15,822 mother-child pairs included in the Danish National Birth Cohort and the Puberty Cohort with prospectively collected, register-based and self-reported information on maternal diabetes and self-reported information on pubertal development...
June 13, 2018: Fertility and Sterility
Rahmatollah Moradzadeh, Parvaneh Golmohammadi, Mohammad Hassan Kazemi-Galougahi, Majid Sartipi, Hooshmand Sharfi, Mohammad Ahmadpour
The aim of this study is evaluation of breast cancer risk factors distribution in two groups of healthy people referral to cancer registry and Shahid Mottahari center in Iran. This study is cross-sectional study which is part of the study to estimate Gene-Environment Interaction in women with breast cancer with case-control studies in Shiraz. In this study, two control groups have been used. The sample size of 300 was specified for each group. Selection sources of groups include Cancer Registry Center and referred people to surgical and internal ward of Shahid Mottahari Clinic...
August 2018: Data in Brief
Mónica Sierra-Martinez, Leticia Hernández-Cadena, José Rubén García-Sánchez, Gustavo Acosta-Altamirano, Carmen Palacios-Reyes, Patricia García Alonso-Themann, Liliana García-Ortiz, Laura Itzel Quintas-Granados, Octavio Daniel Reyes-Hernández
Context: Several factors contribute to the increase in breast cancer (BC) incidence, such as lifetime exposure to estrogen, early menarche and older ages at first birth, menopause, and the increased prevalence of postmenopausal obesity. In fact, there is an association between an increased BC risk and elevated estrogen levels, which may be involved in carcinogenesis via the estrogen receptor alpha (ERα) encoded by the ESR1 gene. Interestingly, there is an antagonistic relationship between ERα and the aryl hydrocarbon receptor (AhR) in BC cells...
April 2018: Journal of Cancer Research and Therapeutics
Isita Sinha, Nitish Mondal, Jaydip Sen
Overweight and obesity are one of the most neglected public health problems in both developed and developing countries. Prevalence of overweight and obesity among post-menopausal women are increasing at a rapid pace. The present study aims to assess effects of socio-economic, demographic and lifestyle variables on prevalence of overweight and obesity among post-menopausal rural women belonging to an ethnic population of eastern India. This study has been carried out among 510 Rajbanshi women aged between 45-56 years and residing in the district of Darjeeling, West Bengal...
June 11, 2018: Anthropologischer Anzeiger; Bericht über die Biologisch-anthropologische Literatur
Paula J Adams Hillard
No abstract text is available yet for this article.
August 2018: Journal of Pediatric and Adolescent Gynecology
Joseph W LaBrie, Sarah Boyle, Andrew Earle, Hawley C Almstedt
OBJECTIVE: Osteoporosis is a costly bone disease characterized by low bone mineral density (BMD) that primarily affects postmenopausal women. One factor that may lead to osteoporosis is a failure to reach peak bone mass (PBM) in early adulthood. In older adults and animal models, heavy episodic drinking (HED) has been found to predict failure to reach PBM. However, this relationship has yet to be investigated in adolescent human females. METHOD: Female college students (N = 87; 60% White) reported age at menarche, hormonal contraceptive use, physical activity, smoking habits, and HED history via an online survey and then received a dual energy x-ray absorptiometry bone scan to assess both lean body mass and BMD at the lumbar spine...
May 2018: Journal of Studies on Alcohol and Drugs
Chong Shen, Jinbo Wen, Xiaoqun Pan, Jian Su, Wencong Du, Enchun Pan, Qin Zhang, Ning Zhang, Hongyan Sheng, Chunlan Liu, Hui Wang, Ming Wu, Yu Qin
OBJECTIVE: To investigate the influence of age at menarche (AM) and age at natural menopause (ANM) on glycemic control in patients with type 2 diabetes mellitus (T2DM). METHODS: A cross-sectional study was undertaken in Jiangsu, China. Logistic regression was used to evaluate the association between AM/ANM and glycemic control. RESULTS: 1195 (14.3%) premenopausal and 7149 (85.7%) postmenopausal women were included in this study. With the increase of AM per 1 year, patients had a low risk of uncontrolled FPG (≥7 mmol/L) and uncontrolled HbA1c (≥7%), as well as poor glycemic control (FPG ≥7 mmol/L and HbA1c ≥7%) after adjusting for age and BMI (model I, P < 0...
May 16, 2018: Journal of Diabetes and its Complications
Saman H Abdulla, Thomas P Bouchard, Rene A Leiva, Phil Boyle, Jean Iwaz, René Ecochard
Objective: Explore potential relationships between preovulatory, periovulatory, and luteal-phase characteristics in normally cycling women. Design: Observational study. Setting: Eight European natural family planning clinics. Patient(s): Ninety-nine women contributing 266 menstrual cycles. Intervention(s): The participants collected first morning urine samples that were analyzed for estrone-3 glucuronide (E1G), pregnanediol-3- alpha-glucuronide (PDG), follicle stimulating hormone (FSH), and luteinizing hormone (LH)...
2018: Frontiers in Public Health
Jill E Larson, Maximilian A Meyer, Barrett Boody, John F Sarwark
Purpose: The evaluation, management and follow-up of adolescent idiopathic scoliosis (AIS) occur frequently within a pediatric orthopedic surgery practice. Curve status can be assessed with Scoliometer measurements of angle trunk rotation (ATR), which are reliable and reproducible to within 3°. This study assessed the longitudinal efficacy, safety and cost savings of integrating ATR measurements to monitor curve status and progression in AIS, and suggests a quality-based management strategy...
June 2018: Journal of Orthopaedics
Juan Pablo Del Río, María I Alliende, Natalia Molina, Felipe G Serrano, Santiago Molina, Pilar Vigil
Sex hormones significantly impact women's lives. Throughout the different stages of life, from menarche to menopause and all stages in between, women experience dramatic fluctuations in the levels of progesterone and estradiol, among other hormones. These fluctuations affect the body as a whole, including the central nervous system (CNS). In the CNS, sex hormones act via steroid receptors. They also have an effect on different neurotransmitters such as GABA, serotonin, dopamine, and glutamate. Additionally, studies show that sex hormones and their metabolites influence brain areas that regulate mood, behavior, and cognitive abilities...
2018: Frontiers in Public Health
Vivian Ozoemena Onukwuli, Josephat Chinawa, Christopher Bismarck Eke, Ada Rosemary Nwokocha, Ifeoma Josephine Emodi, Anthony Nnaemeka Ikefuna
Adolescence is an important developmental period of childhood. Good health and adequate nutrition consisting major food constituents and trace elements like zinc are fundamental for optimal sexual maturation. To determine the relationship between zinc levels and pattern of breast and pubic hair development, as well as menarcheal age of female SCA children aged 6-18 years and their matched controls with hemoglobin genotype AA. Cross sectional, case-control study. Information on biodata, age at menarche, medical and drug history as well as 24-hour dietary recall was documented using interviewer administered questionnaire...
June 5, 2018: Pediatric Hematology and Oncology
Susann Karlberg, Aila Tiitinen, Henrik Alfthan, Marita Lipsanen-Nyman
STUDY QUESTION: What is the timing of onset and clinical course of premature ovarian insufficiency (POI) in patients with Mulibrey nanism (MUL), a monogenic disorder caused by mutations of the peroxisomal TRIM37 gene? SUMMARY ANSWER: The number of ovarian follicles is highly reduced already in infant and young MUL girls and the majority of them will have early depletion of follicles resulting in clinical and biochemical signs of POI. WHAT IS KNOWN ALREADY: Both female and male patients with MUL show failure of sexual maturation, signs of hypogonadism and infertility...
June 1, 2018: Human Reproduction
Maiko Kobayashi, Takamasa Koyama, Yasuhiro Yasutomi, Tadashi Sankai
We attempted to elucidate female reproduction in long-tailed macaques (Macaca fascicularis). These monkeys have a non-seasonal menstruation cycle, which makes them suitable subjects for studies in a variety fields including medical science and regenerative medicine. We analyzed individual breeding data including time of menarche, start of regular menstruation, and first pregnancy. These three events are related to the maturation of female long-tailed macaques. All research subjects were female long-tailed macaques bred at the Tsukuba Primate Research Center...
May 31, 2018: Journal of Reproduction and Development
Norikazu Watanabe, Hideki Igarashi, Jun Matsukawa, Koki Matsuo, Satoru Nagase
The combination of a didelphic uterus, obstructed hemivagina, and ipsilateral renal anomaly was first reported in 1950 and later defined as OHVIRA syndrome (Smith & Laufer 2007). OHVIRA syndrome is considered a developmental anomaly of the Müllerian and Wolffian ducts. Although uterine anomalies occur in 2-3% of women, OHVIRA syndrome is rare and accounts for only 0.16-10% of uterine anomalies (Lin et al. 2002, Adair et al. 2011). The typical symptoms are dysmenorrhea after menarche. Herein, we describe the case of a patient with a rare variant of OHVIRA syndrome...
May 29, 2018: Congenital Anomalies
Nam Hee Kim, Jung Ho Park, Dong Il Park, Chong Il Sohn, Kyuyong Choi, Yoon Suk Jung
Background/Aims: Limited data are available regarding the association between age at menarche and the risk of colorectal adenoma. Therefore, we aimed to evaluate the relationship between reproductive factors including age at menarche and the risk of colorectal adenoma. Methods: A cross-sectional study was performed on asymptomatic female subjects who underwent colonoscopy between 2010 and 2014 as part of a comprehensive health screening program in Korea. The association between reproductive factors including age at menarche and the presence of adenomas was assessed using multivariate logistic regression analysis...
May 31, 2018: Korean Journal of Internal Medicine
Hosu Kim, Kyong Young Kim, Jong Ha Baek, Jaehoon Jung
CONTEXT: It is unclear whether reproductive factors such as pregnancy, parity, menstruation, and breastfeeding are risk factors for thyroid cancer. The aim of this study was to evaluate the association of reproductive factors with thyroid cancer risk. DESIGN/SETTING: Large-scale nation-wide cross-sectional data were analyzed from representative samples from the Korea National Health and Nutrition Examination Survey V-VI (2010 to 2015). RESULTS: In this study, 38,086 people over the age of 18 were enrolled, of which 241 had a diagnosis of thyroid cancer...
May 28, 2018: Clinical Endocrinology
André O Werneck, Manuel J Coelho-E-Silva, Camila S Padilha, Enio R V Ronque, Edilson S Cyrino, Célia L Szwarcwald, Danilo R Silva
AIM: The aim was to evaluate the association between age at menarche and cancer using a nationally representative sample of Brazilian women. METHODS: Data from the Brazilian Health Survey (PNS), a nationally representative survey conducted in 2013 (n = 33,715 women; ≥18 years), were used. Information on cancer diagnosis, age at menarche and other co-variables (chronological age, educational status, skin colour, menopause, leisure-time physical activity and tobacco smoking) were collected via interview...
May 28, 2018: Annals of Human Biology
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