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https://www.readbyqxmd.com/read/27921091/the-relationship-between-serum-vitamin-d-level-and-premenstrual-syndrome-in-iranian-women
#1
Samira Rajaei, Azadeh Akbari Sene, Sara Norouzi, Yasrin Berangi, Sahereh Arabian, Parvaneh Lak, Ali Dabbagh
BACKGROUND: Premenstrual syndrome (PMS) is among the most unfavorable problems in women in reproductive age; however its pathophysiology is still not fully confirmed. Vitamin D as an immunomodulator could prevent inflammatory state before and during menstruation. OBJECTIVE: The aim was to investigate whether there is any relationship between serum vitamin D levels and PMS. MATERIALS AND METHODS: In total, 82 women participate in this case-control study which was conducted in Shahid Akbar-abadi hospital from November 2013 to March 2015...
October 2016: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/27919440/partnered-sexual-activity-moderates-menstrual-cycle-related-changes-in-inflammation-markers-in-healthy-women-an-exploratory-observational-study
#2
Tierney K Lorenz, Gregory E Demas, Julia R Heiman
OBJECTIVE: To examine differences in inflammation markers in sexually active versus abstinent women and observe changes in inflammation markers across the menstrual cycle. Cycle-related immune fluctuations may have evolved to reduce interference with conception. If so, reproductively active (i.e., sexually active) women should show the most variability in cytokine expression. DESIGN: Participants provided serum samples at menses and ovulation (from which cytokines were assayed) and saliva samples at menses and during follicular, ovulation, and luteal phases (from which C-reactive protein [CRP] was assayed)...
December 2, 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27916070/-effect-of-luteal-phase-gonadotropin-releasing-hormone-agonist-administration-on-pregnancy-outcome-in-ivf-icsi-cycles-a-systematic-review-and-meta-analysis
#3
L P Yu, N Liu, Y Liu
Objective: To evaluate the potential efficacy and safety of gonadotropin-releasing hormone agonist(GnRH-a) administration in the luteal-phase on in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI) cycles in assisted reproductive technology (ART). Methods: The relevant papers published before November 2015 were electronically searched in PubMed, EMBASE, Cochrane Library, WHO ICTRP, ClinicalTrials.gov, CNKI, CBM and WanFang database to collect randomized controlled trial (RCT) involving GnRH-a administration in the luteal-phase on IVF/ICSI cycles in ART...
November 25, 2016: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/27904170/twenty-five-year-old-woman-with-bilateral-borderline-ovarian-tumour-desiring-to-preserve-fertility-case-report-and-literature-review-on-the-current-state-of-fertility-preservation-in-women-with-borderline-ovarian-tumours
#4
S Findeklee, L Lotz, K Heusinger, I Hoffmann, R Dittrich, M W Beckmann
Borderline ovarian tumours are semimalignant tumours occurring unilaterally or bilaterally with a peak incidence among women of reproductive age. Since the affected women often wish to preserve fertility, particular precautions must be taken when counselling the patient and obtaining consent prior to planning an individual treatment. Options for preserving fertility include an organ-sparing surgical procedure and cryopreservation of oocytes and/or ovarian tissue. In this article, we report on a 25-year-old patient with a bilateral seromucinous borderline tumour who desired all fertility-preserving options...
November 2016: Geburtshilfe und Frauenheilkunde
https://www.readbyqxmd.com/read/27901351/biosynthesis-of-gonadotropin-releasing-hormone-gnrh-and-gnrh-receptor-gnrhr-in-hypothalamic-pituitary-unit-of-anoestrous-and-cyclic-ewes
#5
M O Ciechanowska, M Łapot, K Mateusiak, E Paruszewska, T Malewski, F Przekop
This study was performed to explain how the molecular processes governing the biosynthesis of gonadotropin-releasing hormone (GnRH) and GnRH receptor (GnRHR) in the hypothalamic-pituitary unit are reflected by luteinizing hormone (LH) secretion in sheep during anoestrous period and during luteal and follicular phases of the oestrous cycle. Using an enzyme-linked immunosorbent assay (ELISA), we analyzed the levels of GnRH and GnRHR in preoptic area (POA), anterior (AH) and ventromedial hypothalamus (VM), stalk-median eminence (SME), and GnRHR in the anterior pituitary gland (AP)...
November 30, 2016: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/27900769/influence-of-menstrual-phase-and-arid-vs-humid-heat-stress-on-autonomic-and-behavioural-thermoregulation-during-exercise-in-trained-but-unacclimated-women
#6
Tze-Huan Lei, Stephen R Stannard, Blake G Perry, Zachary J Schlader, James D Cotter, Toby Mündel
We studied thermoregulatory responses of ten well-trained (VO2 max, 57 (7) mL min(-1) kg(-1) ) eumenorrheic women exercising in dry and humid heat, across their menstrual cycle. They completed four trials, each of resting and cycling at fixed intensities (125 and 150 W), to assess autonomic regulation, then self-paced intensity (30-min work trial), to assess behavioural regulation. Trials were in early-follicular (EF) and mid-luteal (ML) phases in dry (DRY) and humid (HUM) heat matched for wet bulb globe temperature (WBGT, 27°C)...
November 29, 2016: Journal of Physiology
https://www.readbyqxmd.com/read/27899720/luteal-function-during-the-estrous-cycle-in-arginine-treated-ewes-fed-different-planes-of-nutrition
#7
Casie S Bass, Dale A Redmer, Samantha L Kaminski, Anna T Grazul-Bilska
Corpus luteum (CL) functions are influenced by numerous factors including hormones, growth and angiogenic factors, nutritional plane, and dietary supplements such as arginine (Arg), a semi-essential amino acid and precursor for proteins, polyamines, and nitric oxide (NO). The aim of this study was to determine if Arg supplementation to ewes fed different planes of nutrition impacts 1) progesterone (P4) concentrations in serum and luteal tissue, 2) luteal vascularity, cell proliferation, endothelial NO synthase (eNOS), and receptor (R) soluble guanylate cyclase β protein and mRNA expression, and 3) luteal mRNA expression for selected angiogenic factors during the estrous cycle...
November 29, 2016: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/27894894/junctional-zone-thickness-in-young-nulliparous-women-according-to-menstrual-cycle-and-hormonal-contraception-use
#8
Liesbeth Johannes Meylaerts, Leen Wijnen, Martijn Grieten, Yvan Palmers, Willem Ombelet, Marjan Vandersteen
This prospective study aims to determine the optimal menstrual phase and uterine location to detect the thickest junctional zone by magnetic resonance imaging (MRI). Healthy nulliparous women were subdivided according to their use of hormonal contraception. Each women was investigated three times during their menstrual cycle. Eighteen nulliparous non-users and 29 nulliparous users of hormonal contraception (mean age 26.4 and 25.8 years, respectively) underwent a pelvic MRI (1.5T) examination during the follicular, ovulatory and luteal phase...
November 10, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/27886513/a-potential-role-for-endoplasmic-reticulum-stress-in-progesterone-deficiency-in-obese-women
#9
Nozomi Takahashi, Miyuki Harada, Yasushi Hirota, Lin Zhao, Jerilee Mk Azhary, Osamu Yoshino, Gentaro Izumi, Tetsuya Hirata, Kaori Koga, Osamu Wada-Hiraike, Tomoyuki Fujii, Yutaka Osuga
Obesity in reproductive-aged women is associated with shorter luteal phase and lower progesterone levels. Lipid accumulation in follicles of obese women compromises endoplasmic reticulum (ER) function, activating ER stress in granulosa cells. We hypothesized that ER stress activation in granulosa-lutein cells (GLCs) would modulate progesterone production and contribute to obesity-associated progesterone deficiency. Pretreatment with an ER stress inducer, tunicamycin or thapsigargin, inhibited human chorionic gonadotropin (hCG)-stimulated progesterone production in cultured human GLCs...
November 25, 2016: Endocrinology
https://www.readbyqxmd.com/read/27875754/the-impact-of-diet-and-arginine-supplementation-on-pancreatic-mass-digestive-enzyme-activity-and-insulin-containing-cell-cluster-morphology-during-the-estrous-cycle-in-sheep
#10
F E Keomanivong, A T Grazul-Bilska, D A Redmer, C S Bass, S L Kaminski, P P Borowicz, J D Kirsch, K C Swanson
To determine the effect of feed intake and arginine treatment during different stages of the estrous cycle on pancreatic mass, digestive enzyme activity, and histological measurements, ewes (n = 120) were randomly allocated to 1 of 3 dietary groups; control (CON; 2.14-Mcal metabolizable energy/kg), underfed (UF; 0.6 × CON), or overfed (OF; 2 × CON) over 2 yr. Estrus was synchronized using a controlled internal drug release device for 14 d. At controlled internal drug release withdrawal, ewes from each dietary group were assigned to 1 of 2 treatments; Arg (L-Arg HCl, 155-μmol/kg BW) or Sal (approximately 10-mL saline)...
October 21, 2016: Domestic Animal Endocrinology
https://www.readbyqxmd.com/read/27873444/the-effects-of-menstrual-phase-on-orthodontic-pain-following-initial-archwire-engagement
#11
Hu Long, Meiya Gao, Yafen Zhu, He Liu, Yang Zhou, Lina Liao, Wenli Lai
OBJECTIVES: To explore the effects of menstrual cycle on orthodontic pain following initial archwire engagement. METHODS: Female participants with regular menstrual cycles were recruited and assigned into follicular group or luteal group. Demographical and baseline variables were collected: age, education, menstrual duration, anxiety, oral health impact profile-14 (OHIP-14) and index of complexity outcome and need (ICON). Following initial archwire engagement, orthodontic pain was determined through visual analogue scale (VAS) on 1(st) day, 2(nd) day and 3(rd) day...
November 22, 2016: Oral Diseases
https://www.readbyqxmd.com/read/27872414/effect-of-low-dose-aspirin-on-midluteal-phase-uterine-artery-blood-flow-in-patients-with-recurrent-pregnancy-loss
#12
Xiaomin Kang, Tongfei Wang, Liyin He, Haijing Xu, Zhilan Liu, Aimin Zhao
OBJECTIVES: The purpose of this study was to evaluate differences in uterine artery blood flow parameters and pregnancy outcomes, if any. An investigation was conducted to determine the effects of low-dose aspirin on uterine artery blood flow indices in patients with recurrent pregnancy loss. METHODS: This observational study included 353 Chinese women with a history of recurrent pregnancy loss and 85 women without a history of recurrent pregnancy loss (control group) from Ren Ji Hospital...
December 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/27870587/17%C3%AE-estradiol-enhances-vascular-endothelial-ets-1-mir-126-3p-expression-the-possible-mechanism-for-attenuation-of-atherosclerosis
#13
Ping Li, Jinzhi Wei, Xiaosa Li, Yang Cheng, Weiyu Chen, Yuhong Cui, Tommaso Simoncini, Zhengtian Gu, Jun Yang, Xiaodong Fu
CONTEXT: Endothelial microRNA 126 (miR-126) attenuates the development of atherosclerosis (AS). However, there is no evidence showing the role of miR-126 in estrogen's anti-atherogenic effects. OBJECTIVE: We hypothesized that 17β-estradiol (E2) modulates miR-126 expression, thus may improve endothelial function and retard AS development. DESIGN/SETTING/PARTICIPANTS: This was a prospective cohort study of 12 healthy regularly menstruating female volunteers aged 23-26 yr conducted at Guangzhou Medical University...
November 21, 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27865788/testosterone-and-immune-reproductive-tradeoffs-in-healthy-women
#14
Tierney K Lorenz, Julia R Heiman, Gregory E Demas
Although testosterone (T) has been characterized as universally immunosuppressive across species and sexes, recent ecoimmunology research suggests that T's immunomodulatory effects (enhancing/suppressing) depend on the organism's reproductive context. Very little is known about the immune effects of T in healthy females, and even less about how reproductive effort modulates the immune effects of T in humans. We investigated how the interaction between endogenous T and sexual activity predicted menstrual cycle-related changes in several measures of immunity: inflammation (indexed by interleukin-6, IL-6), adaptive immunity (indexed by immunoglobulin A, IgA), and functional immunity (indexed by bactericidal assay)...
November 17, 2016: Hormones and Behavior
https://www.readbyqxmd.com/read/27865124/the-killer-cell-story-in-recurrent-miscarriage-association-between-activated-peripheral-lymphocytes-and-uterine-natural-killer-cells
#15
R J Kuon, K Vomstein, M Weber, F Müller, C Seitz, S Wallwiener, T Strowitzki, E Schleussner, U R Markert, V Daniel, B Toth
Peripheral and uterine NK cells (pNK, uNK) can be distinguished according to their receptor expression. Recent studies indicate an association of elevated pNK and uNK with recurrent miscarriage (RM). This study aimed to analyze pNK and uNK in patients with RM and healthy controls. Out of n=590 RM patients screened according to a standard diagnostic protocol, n=268 couples with ≥3 consecutive RM were identified. Subgroups consisted of n=151 primary RM (pRM), n=85 secondary RM (sRM), n=32 tertiary RM (tRM) and n=42 healthy controls...
November 6, 2016: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/27862406/expression-pattern-of-hif1alpha-and-vasohibins-during-follicle-maturation-and-corpus-luteum-function-in-the-bovine-ovary
#16
B Berisha, D Schams, D Rodler, F Sinowatz, M W Pfaffl
The aim of this study was to characterize expression patterns of hypoxia-inducible factor-1alpha (HIF1A) and vasohibin family members (VASH1 and VASH2) during different stages of ovarian function in cow. Experiment 1: Antral follicle classification occurred by follicle size and estradiol-17beta (E2) concentration in the follicular fluid into 5 groups (<0.5, 0.5-5, 5-40, 40-180 and >180 E2 ng/ml). Experiment 2: Corpora lutea (CL) were assigned to the following stages: days 1-2, 3-4, 5-7, 8-12, 13-16 and >18 (after regression) of oestrous cycle and of pregnancy (months 1-2, 3-4, 6-7, >8)...
November 11, 2016: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/27856803/tubal-patency-during-the-menstrual-cycle-and-during-treatment-with-hormonal-contraceptives-a-pilot-study-in-women
#17
Jeffrey T Jensen, Eva Patil, Jacqueline Seguin, Amy Thurmond
BACKGROUND: Hysterosalpingram (HSG) evaluation of tubal patency is typically performed in the follicular phase, but data to support this timing are lacking. PURPOSE: To determine whether menstrual cycle phase or hormonal treatments affect observation of tubal patency during HSG. MATERIAL AND METHODS: Ten participants underwent repeated HSG examinations: during the follicular and luteal phase of a natural menstrual cycle; 30 days following continuous administration of a combined oral contraceptive (COC); and 30 days after an intramuscular injection of depo medroxyprogesterone (DMPA) acetate...
November 17, 2016: Acta Radiologica
https://www.readbyqxmd.com/read/27856496/interrelationships-among-reproductive-hormones-and-antral-follicle-count-in-human-menstrual-cycles
#18
David Mark Robertson, Chel Hee Lee, Angela Baerwald
It is recognised that ovarian factors, including steroid and protein hormones, are critical in the feedback regulation of pituitary gonadotropins; however, their individual contributions are less defined. The aim of this study was to explore the reciprocal relationships between ovarian and pituitary hormones across the normal ovulatory menstrual cycle as women age. FSH, LH, oestradiol, progesterone, inhibin A, inhibin B and anti-mullerian hormone (AMH) were measured in serum collected every 1-3 days across one interovulatory interval (IOI) from 26 healthy women aged 18-50 years...
November 2016: Endocrine Connections
https://www.readbyqxmd.com/read/27847102/influence-of-different-menstrual-phases-on-the-bispectral-index-during-dexmedetomidine-sedation
#19
Chao Han, Sheng-Jin Ge, Shao-Qiang Huang, Yao-Jun Lu, Ning Li
To investigate the influence of different menstrual phases on the Bispectral Index (BIS) during dexmedetomidine (Dex) sedation, 40 patients with regular menstrual cycle, American Society of Anesthesiologists I-II, aged 18-40 years, undergoing selective gynecologic laparoscopic surgery, were enrolled. According to different menstrual phases and the serum progesterone concentration, they were divided into two groups: the follicular phase group (Group F) and the luteal phase group (Group L), and each group had 20 patients...
November 2016: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/27833181/does-levonorgestrel-emergency-contraceptive-have-a-post-fertilization-effect-a-review-of-its-mechanism-of-action
#20
REVIEW
Rebecca Peck, Walter Rella, Julio Tudela, Justo Aznar, Bruno Mozzanega
BACKGROUND: Recent studies have identified that levonorgestrel administered orally in emergency contraception (LNG-EC) is only efficacious when taken before ovulation. However, the drug does not consistently prevent follicular rupture or impair sperm function. OBJECTIVE: The present systematic review is performed to analyze and more precisely define the extent to which pre-fertilization mechanisms of action may explain the drug's efficacy in pregnancy avoidance...
February 2016: Linacre Quarterly
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