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https://www.readbyqxmd.com/read/28538496/committee-opinion-no-702-female-athlete-triad
#1
(no author information available yet)
The female athlete triad is a medical condition observed in physically active females involving three components: 1) low energy availability with or without disordered eating, 2) menstrual dysfunction, and 3) low bone density. An individual does not need to show clinical manifestations of all three components of the female athlete triad simultaneously to be affected by the condition. Consequences of these clinical conditions may not be completely reversible, so prevention, early diagnosis, and intervention are critical...
June 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28538492/committee-opinion-no-702-summary-female-athlete-triad
#2
(no author information available yet)
The female athlete triad is a medical condition observed in physically active females involving three components: 1) low energy availability with or without disordered eating, 2) menstrual dysfunction, and 3) low bone density. An individual does not need to show clinical manifestations of all three components of the female athlete triad simultaneously to be affected by the condition. Consequences of these clinical conditions may not be completely reversible, so prevention, early diagnosis, and intervention are critical...
June 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28527064/treating-migraine-with-contraceptives
#3
Gianni Allais, Giulia Chiarle, Silvia Sinigaglia, Gisella Airola, Paola Schiapparelli, Fabiola Bergandi, Chiara Benedetto
At least 18% of women suffers from migraine. Clinically, there are two main forms of migraine: migraine with aura (MA) and migraine without aura (MO) and more than 50% of MO is strongly correlated to the menstrual cycle. The high prevalence of migraine in females, its correlation with the menstrual cycle and with the use of combined hormonal contraceptives (CHCs) suggest that the estrogen drop is implicated in the pathogenesis of the attacks. Although CHCs may trigger or worsen migraine, their correct use may even prevent or reduce some forms of migraine, like estrogen withdrawal headache...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28523292/angiogenesis-versus-arteriogenesis
#4
Anna Rizzi, Vincenzo Benagiano, Domenico Ribatti
In the vascular system, angiogenesis and arteriogenesis play a unique yet equally important role in both health and disease. Angiogenesis, the formation of new blood vessels from a preexisting vascular bed, occurs naturally during wound healing, the female menstrual cycle and pregnancy. It plays a critical role in tissue growth and repair, and is a highly controlled process that is dependent on an intricate balance of both pro-angiogenic (to stimulate) and anti-angiogenic (to negatively regulate the phenomenon) factors...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28522756/influence-of-sex-menstrual-cycle-and-oral-contraceptives-on-cerebrovascular-resistance-and-cardiorespiratory-function-during-valsalva-or-standing
#5
Syed Abidi, Misha Nili, Stephania Serna, Simon Kim, Christopher Hazlett, Heather Edgell
Women experience orthostatic intolerance more than men, and experience faintness more in the early follicular (i.e. low hormone (LH)) compared to the luteal (i.e. high hormone (HH)) phase of the menstrual cycle. Men (n=13, age: 25.8±1.8) and women in the LH (day 2-5; placebo) and HH) (day 18-24; high dose) phases of the menstrual cycle with (OC; n=14, age: 22.0±0.8) or without oral contraceptives (NOC; n=12, age: 21.8±0.5) underwent the Valsalva maneuver and a supine-sit-stand protocol. Blood pressure, normalized stroke volume (SVi), cardiac output index (Qi), heart rate (HR), end-tidal carbon dioxide (ET-CO2), and middle cerebral artery blood velocity (MCA) were measured...
May 18, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28516176/examining-menstrual-tracking-to-inform-the-design-of-personal-informatics-tools
#6
Daniel A Epstein, Nicole B Lee, Jennifer H Kang, Elena Agapie, Jessica Schroeder, Laura R Pina, James Fogarty, Julie A Kientz, Sean A Munson
We consider why and how women track their menstrual cycles, examining their experiences to uncover design opportunities and extend the field's understanding of personal informatics tools. To understand menstrual cycle tracking practices, we collected and analyzed data from three sources: 2,000 reviews of popular menstrual tracking apps, a survey of 687 people, and follow-up interviews with 12 survey respondents. We find that women track their menstrual cycle for varied reasons that include remembering and predicting their period as well as informing conversations with healthcare providers...
May 2, 2017: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
https://www.readbyqxmd.com/read/28515018/plasma-levels-of-the-endocannabinoid-anandamide-related-n-acylethanolamines-and-linoleic-acid-derived-oxylipins-in-patients-with-migraine
#7
Sandra Gouveia-Figueira, Kristina Goldin, Sanaz A Hashemian, Agneta Lindberg, Monica Persson, Malin L Nording, Katarina Laurell, Christopher J Fowler
There is evidence that patients with migraine have deficient levels of the endogenous cannabinoid receptor ligand anandamide (AEA). It is not known, however, if this is a localised or generalised phenomenon. In the present study, levels of AEA, related N-acylethanolamines (NAEs) and linoleic acid-derived oxylipins have been measured in the blood of 26 healthy women and 38 women with migraine (26 with aura, 12 without aura) who were matched for age and body-mass index. Blood samples were taken on two occasions: the first sample near the start of the menstrual cycle (when present) and the second approximately fourteen days later...
May 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/28511185/evaluation-of-total-active-and-specific-myeloperoxidase-levels-in-women-with-and-without-endometriosis
#8
Dorien F O, Etienne Waelkens, Daniëlle P Peterse, Dan Lebovic, Christel Meuleman, Carla Tomassetti, Karen Peeraer, Alexandra Alvarez Real, Alain Bosseloir, Thomas D'Hooghe, Amelie Fassbender
Myeloperoxidase (MPO) is a proinflammatory enzyme and a marker for neutrophil activation and oxidative stress. Since oxidative stress and inflammation are linked to the pathogenesis of endometriosis, we hypothesized that the total, active, and specific (active/total) MPO levels were significantly different in plasma of women with and without endometriosis. Samples were selected from our biobank from women with endometriosis (n = 212) and controls without endometriosis (n = 121) across the menstrual cycle. Total MPO plasma levels were measured by immunoassay and MPO activity by enzymatic assay...
May 17, 2017: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/28511046/effects-of-stress-on-women-s-preference-for-male-facial-masculinity-and-their-endocrine-correlates
#9
Beate Ditzen, Simona Palm-Fischbacher, Lara Gossweiler, Livia Stucky, Ulrike Ehlert
Women's preferences for masculinity in men's faces seem to vary across the menstrual cycle and are assumed to be strongest around ovulation. A number of hormones have been proposed to underlie these subtle cyclic shifts. Furthermore, mating preferences are context-dependent, and stress has been found to alter mate choice, both in animals and humans. Currently, the effects of stress on women's preference for masculinity remain unknown. To examine the hormonal basis and the impact of stress on facial masculinity preference, we tested for within-subject changes in 52 healthy young women who underwent the Trier Social Stress Test (TSST) and the placebo-TSST in randomized order in the late follicular and mid-luteal phases of their menstrual cycle...
May 3, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28510562/menstrual-cycle-on-a-chip
#10
Dina Fine Maron
No abstract text is available yet for this article.
May 16, 2017: Scientific American
https://www.readbyqxmd.com/read/28508475/functional-properties-of-peripheral-cd8-%C3%A2-t-cells-in-patients-with-repeated-implantation-failure
#11
Biao Yin, Yong Zeng, Tonghua Wu, Shuyi Yu, Jian Xu, Su Liu, Lianghui Diao, Zhenfu Zhao, Desheng Liang, Yuye Li
CD8(+) T cells are the main candidates to recognize and respond to fetal HLA-C at the fetal-maternal interface, but data on the amount of peripheral CD8(+) T cells and their functions during the window of implantation in recurrent implantation failure (RIF) patients are limited. Peripheral blood was obtained from 56 women with RIF and 16 fertile women in the mid-luteal phase of the menstrual cycle, and the CD8(+) T cells were determined by FACS analysis. No statistical differences in the proportion of peripheral CD8(+) T cells were observed among the women with RIF and the control group...
May 15, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28502859/the-significance-of-estradiol-metabolites-in-human-corpus-luteum-physiology
#12
REVIEW
Luigi Devoto, Soledad Henríquez, Paulina Kohen, Jerome F Strauss
The human corpus luteum (CL) is a temporary endocrine gland derived from the ovulated follicle. Its formation and limited lifespan is critical for steroid hormone production required to support menstrual cyclicity, endometrial receptivity for successful implantation, and the maintenance of early pregnancy. Endocrine and paracrine-autocrine molecular mechanisms associated with progesterone production throughout the luteal phase are critical for the development, maintenance, regression, and rescue by hCG which sustains CL function into early pregnancy...
May 11, 2017: Steroids
https://www.readbyqxmd.com/read/28501551/contribution-of-stress-and-sex-hormones-to-memory-encoding
#13
Christian J Merz
Distinct stages of the menstrual cycle and the intake of oral contraceptives (OC) affect sex hormone levels, stress responses, and memory processes critically involved in the pathogenesis of mental disorders. To characterize the interaction of sex and stress hormones on memory encoding, 30 men, 30 women in the early follicular phase of the menstrual cycle (FO), 30 women in the luteal phase (LU), and 30 OC women were exposed to either a stress (socially evaluated cold-pressor test) or a control condition prior to memory encoding and immediate recall of neutral, positive, and negative words...
May 6, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28499133/value-of-digit-ratio-2d-4d-a-biomarker-of-prenatal-hormone-exposure-is-stable-across-the-menstrual-cycle
#14
Magdalena Klimek, Urszula M Marcinkowska, Grazyna Jasienska
Digit ratio (2D:4D) is used as a marker of prenatal hormone exposure and, consequently, as a predictor of many characteristics throughout a woman's lifespan. A previous study has suggested that values of 2D:4D vary across menstrual cycles and further questioned the reliability of a single measurement of 2D:4D among cycling women, while another study failed to confirm these results. However, these studies estimated the timing of cycle phases based on a date of menstruation reported by participants and also had small sample sizes...
May 9, 2017: Early Human Development
https://www.readbyqxmd.com/read/28497386/oral-contraceptive-pill-use-and-the-susceptibility-to-markers-of-exercise-induced-muscle-damage
#15
K M Hicks, G Onambélé-Pearson, K Winwood, C I Morse
PURPOSE: Firstly, to establish whether oral contraceptive pill (OCP) users are more susceptible to muscle damage compared to non-users, and secondly, to establish whether differences can be attributed to differences in patella tendon properties. METHODS: Nine female OCP users and 9 female non-users participated in the investigation. Combining dynamometry, electromyography and ultrasonography, patella tendon properties and vastus lateralis architectural properties were measured pre and during the first of 6 sets of 12 maximal voluntary eccentric knee extensions...
May 11, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28496369/efficacy-and-safety-of-a-flexible-extended-regimen-of-ethinylestradiol-drospirenone-for-the-treatment-of-dysmenorrhea-a-multicenter-randomized-open-label-active-controlled-study
#16
Mikio Momoeda, Masami Kondo, Joerg Elliesen, Masanobu Yasuda, Shigetomo Yamamoto, Tasuku Harada
BACKGROUND: Dysmenorrhea is a common condition in women, which is characterized by menstrual pain. Low-dose estrogen/progestin combined oral contraceptives have been shown to reduce the severity of dysmenorrhea symptoms, and a 28-day cyclic regimen of ethinylestradiol/drospirenone (28d regimen) is approved for this indication in Japan. AIM: The aim of this study was to assess the safety and efficacy of a flexible extended regimen of ethinylestradiol/drospirenone (flexible regimen) in Japanese women with dysmenorrhea...
2017: International Journal of Women's Health
https://www.readbyqxmd.com/read/28494174/human-endometrial-stromal-cell-plasticity-reversible-sflt1-expression-negatively-coincides-with-decidualization
#17
Hanh N Cottrell, JuanJuan Wu, Bassam H Rimawi, Juan Manuel Duran, Jessica B Spencer, Neil Sidell, Augustine Rajakumar
Preeclampsia (PE) is a major complication of pregnancy in which the placenta is known to have shallow implantation into the uterine decidua. Studies have implicated soluble fms-like tyrosine kinase-1 (sFlt1), a soluble vascular endothelial growth factor (VEGF) receptor protein, in the pathogenesis of PE. sFlt1 has the ability to bind to and neutralize the angiogenic functions of VEGF and placental growth factor (PlGF). The presence of sFlt1 and its action in the endometrium is yet to be determined. We hypothesize that endometrial stromal cells (ESC) at the maternal-fetal interface may play a role in sFlt-1 regulation during pregnancy...
May 11, 2017: Hypertension in Pregnancy
https://www.readbyqxmd.com/read/28490208/plasma-kisspeptin-levels-in-lactational-amenorrhea
#18
Masato Kotani, Fumihiko Katagiri, Tsuyoshi Hirai, Jiro Kagawa, Issei Tanaka
The kisspeptin is a neuropeptide to play physiological roles in regulating gonadotropin-releasing hormone secretion in the hypothalamus. In human plasma, the kisspeptin concentration is measured, but gonadotropin-releasing hormone is not. This study aims to understand the physiological roles of the circulating kisspeptin in lactational amenorrhea in humans because prolactin reduces the kisspeptin expression and luteinizing hormone secretion resulting in anovulations in rodent brains. Plasma kisspeptin levels were measured in 11 subjects in lactational amenorrhea and in four cases with pathological amenorrhea by different etiologies for comparison using the enzyme immunoassay specific for human kisspeptin...
May 11, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28488202/autonomic-control-of-body-temperature-and-blood-pressure-influences-of-female-sex-hormones
#19
REVIEW
Nisha Charkoudian, Emma C J Hart, Jill N Barnes, Michael J Joyner
Female reproductive hormones exert important non-reproductive influences on autonomic regulation of body temperature and blood pressure. Estradiol and progesterone influence thermoregulation both centrally and peripherally, where estradiol tends to promote heat dissipation, and progesterone tends to promote heat conservation and higher body temperatures. Changes in thermoregulation over the course of the menstrual cycle and with hot flashes at menopause are mediated by hormonal influences on neural control of skin blood flow and sweating...
May 9, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28485628/body-composition-and-psychological-improvement-in-healthy-premenopausal-women-assuming-the-oral-contraceptive-containing-micronized-estradiol-e2-and-nomegestrol-acetate-nomac
#20
Manuela Neri, Maria Elena Malune, Valentina Corda, Bruno Piras, Pierina Zedda, Monica Pilloni, Maria Paola Orani, Valerio Vallerino, Gian Benedetto Melis, Anna Maria Paoletti
This observational study was conducted in healthy premenopausal women, who presented themselves for contraceptive advice at the outpatient Family Planning Clinics of the Department of Obstetrics and Gynecology of the University of Cagliari, Hospital-University of Cagliari (Italy). After a screening period of three menstrual cycles, 48 women without contraindications to estroprogestin contraceptives (OCs) were included in the study. The primary purposes of the study were to evaluate whether a 12-month-treatment with the combined OC containing micronized estradiol (1...
May 9, 2017: Gynecological Endocrinology
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