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https://www.readbyqxmd.com/read/29330698/circulating-hormones-and-mammographic-density-in-premenopausal-women
#1
Kimberly A Bertrand, A Heather Eliassen, Susan E Hankinson, Bernard A Rosner, Rulla M Tamimi
Prior research suggests that several endogenous hormones in premenopausal women are associated with breast cancer risk; however, few studies have evaluated associations of endogenous hormones with mammographic density (MD) in premenopausal women. We conducted a cross-sectional study of plasma hormone levels in relation to MD among 634 cancer-free premenopausal women in the Nurses' Health Study II. We measured percent MD from screening mammograms using a computer-assisted method. We assayed estradiol, estrone, and estrone sulfate in blood samples timed in early follicular and mid-luteal phases of the menstrual cycle as well as testosterone, androstenedione, progesterone, dehydroepiandrosterone (DHEA), DHEA sulfate, sex hormone-binding globulin (SHBG), and anti-Müllerian hormone in luteal or untimed samples...
January 12, 2018: Hormones & Cancer
https://www.readbyqxmd.com/read/29320646/transfer-of-fresh-versus-frozen-embryos-in-ovulatory-women
#2
Yuhua Shi, Yun Sun, Cuifang Hao, Heping Zhang, Daimin Wei, Yunshan Zhang, Yimin Zhu, Xiaohui Deng, Xiujuan Qi, Hong Li, Xiang Ma, Haiqin Ren, Yaqin Wang, Dan Zhang, Bo Wang, Fenghua Liu, Qiongfang Wu, Ze Wang, Haiyan Bai, Yuan Li, Yi Zhou, Mei Sun, Hong Liu, Jing Li, Lin Zhang, Xiaoli Chen, Songying Zhang, Xiaoxi Sun, Richard S Legro, Zi-Jiang Chen
BACKGROUND: Elective frozen-embryo transfer has been shown to result in a higher live-birth rate than fresh-embryo transfer among anovulatory women with the polycystic ovary syndrome. It is uncertain whether frozen-embryo transfer increases live-birth rates among ovulatory women with infertility. METHODS: In this multicenter, randomized trial, we randomly assigned 2157 women who were undergoing their first in vitro fertilization cycle to undergo either fresh-embryo transfer or embryo cryopreservation followed by frozen-embryo transfer...
January 11, 2018: New England Journal of Medicine
https://www.readbyqxmd.com/read/29318710/evaluation-of-three-hormonal-protocols-for-anovulatory-lactating-cows-under-regulations-restricting-the-use-of-estrogenic-compounds
#3
Guang-Min Yu, Yue Wu, Xian-Long Wang, Shuan Zhao, Teruo Maeda, Shen-Ming Zeng
When European Union regulations restricted the use of estrogenic compounds in food-producing animals, refined hormonal protocols were no longer applicable for anovulatory cows. However, Ovsynch and its adaptations are routinely and uniformly applied to all cows regardless of ovarian function. To evaluate their efficacy on anovulatory cows, 143, 147 and 144 anovulatory cows received Ovsynch, Presynch and G6G protocols, respectively. In comparison, 150 cyclic cows were bred without using a synchronized protocol...
January 9, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29298966/pregnancy-in-a-woman-with-acromegaly-after-transsphenoidal-partial-resection-of-pituitary-macroadenoma-a-case-report
#4
Katarzyna Tomczyk, Paweł Rzymski, Jakub Woźniak, Maciej Wilczak
Acromegaly is a systemic disease caused by an excessive release of growth hormone and the hypopituitarism, which is induced by macroadenoma local mass effect. The gynecological and obstetric disorders include irregular menstrual cycles, anovulatory cycles and infertility. Therefore, pregnancy in patients affected by the disease is rare. A CASE REPORT: Patient described in this study became pregnant after pharmacological, surgical and infertility treatment. Hence, the following paper presents the course of pregnancy and the discussion of the impact of acromegaly on female fertility, pregnancy, and concerns related to the diagnosis and treatment...
December 22, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29285481/comparing-the-frequency-of-endometritis-in-unexplained-infertility-and-anovulatory-infertility
#5
Ataollah Ghahiri, Bahare Malekzadeh, Hatav Ghassemi Tehrani
Background: Acute pelvic inflammatory disease (PID) is a common reason for infertility. This study aimed to evaluate the frequency distribution of endometritis in women with unexplained infertility and comparison with frequency distribution of endometritis in anovulatory infertility to identify the importance of endometritis due to subacute PID evaluation in the case of infertility. Materials and Methods: This case-control study was done on 100 women with unexplained infertility and ovulatory infertility who referred to Shahid Beheshti clinic in 2013 in Isfahan, Iran...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/29260590/ovulatory-status-and-menstrual-cycle-duration-assessed-by-self-collection-of-urine-on-ph-strips-in-a-population-based-sample-of-french-women-not-using-hormonal-contraception
#6
Lyliane Rosetta, Jean-Christophe Thalabard, Julien Tanniou, Béatrice Ducot, Lorraine Maitrot-Mantelet, Christine Rousset-Jablonski, Aline Bohet, Jean Bouyer, Aline Chimènes, Rémy Slama
BACKGROUND: Assessing menstrual cycle function in the general population using a non-invasive method is challenging, both in non-industrialized and industrialized countries. SUBJECTS AND METHODS: The Observatory of Fecundity in France (Obseff) recruited on a nationwide basis a random sample of 943 women aged 18-44 years with unprotected intercourse. A sub-study was set up to assess the characteristics of a menstrual cycle by using a non-invasive method adapted to the general population...
December 20, 2017: European Journal of Contraception & Reproductive Health Care
https://www.readbyqxmd.com/read/29231340/-herb-partitioned-moxibustion-on-navel-for-anovulatory-infertility-a-randomized-controlled-trial
#7
Zhaofeng Li, Hui Wang, Mingyao Hao, Xuan Wang, Yanpu Yu, Yuxia Ma
OBJECTIVE: To observe the efficacy differences between herb-partitioned moxibustion on navel and clomiphene for anovulatory infertility. METHODS: With double-blind double-dummy randomized control method, a total of 40 patients with anovulatory infertility were randomly divided into a moxibustion group and a clomiphene group, 20 cases in each one. Blinding was conducted on both patients and doctors. The patients in the moxibustion group were treated with herb-partitioned moxibustion on navel and oral administration of clomiphene placebo, while the patients in the clomiphene group were treated with placebo-partitioned moxibustion on navel and oral administration of clomiphene...
August 12, 2017: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/29183107/insulin-sensitising-drugs-metformin-rosiglitazone-pioglitazone-d-chiro-inositol-for-women-with-polycystic-ovary-syndrome-oligo-amenorrhoea-and-subfertility
#8
REVIEW
Lara C Morley, Thomas Tang, Ephia Yasmin, Robert J Norman, Adam H Balen
BACKGROUND: Polycystic ovary syndrome (PCOS) is characterised by infrequent or absent ovulation, and high levels of androgens and insulin (hyperinsulinaemia). Hyperinsulinaemia occurs secondary to insulin resistance and is associated with increased risk of cardiovascular disease and diabetes mellitus. Insulin-sensitising agents such as metformin may be effective in treating PCOS-related anovulation. OBJECTIVES: To evaluate the effectiveness and safety of insulin-sensitising drugs in improving reproductive and metabolic outcomes for women with PCOS undergoing ovulation induction...
November 29, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29175178/effect-of-serum-paraoxonase-1-pon1-activity-on-follicular-development-and-pregnancy-rate-in-cattle
#9
Natália A Castro, Luiz F M Pfeifer, Jéssica S Andrade, Joao A A Rincón, Ligia M Cantarelli Pegoraro, Augusto Schneider
Paraoxonase-1 (PON1) activity has been associated with improvement in ovarian function in early postpartum dairy cows and improved in vitro embryo development. The aim of the current study was to evaluate the potential association among PON1 activity and follicular growth, diameter of the preovulatory follicle and pregnancy per artificial insemination (AI) service in cattle. In Experiment 1, cows (n=33) were subjected to an estradiol-progesterone based protocol to control time of ovulation. Starting on Day 8 of the protocol, follicular growth and serum PON1 activity were monitored...
November 22, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/29121875/effect-of-short-term-diet-restriction-on-gene-expression-in-the-bovine-hypothalamus-using-next-generation-rna-sequencing-technology
#10
Daragh Matthews, Michael G Diskin, David A Kenny, Christopher J Creevey, Kate Keogh, Sinead M Waters
BACKGROUND: Negative energy balance (NEB) is an imbalance between energy intake and energy requirements for lactation and body maintenance affecting high-yielding dairy cows and is of considerable economic importance due to its negative impact on fertility and health in dairy herds. It is anticipated that the cow hypothalamus experiences extensive biochemical changes during the early post partum period in an effort to re-establish metabolic homeostasis. However, there is variation in the tolerance to NEB between individual cows...
November 9, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29117037/a-preliminary-observational-study-of-anovulatory-uterine-bleeding-after-aneurysmal-subarachnoid-hemorrhage
#11
(no author information available yet)
No abstract text is available yet for this article.
December 2017: Journal of Neuroscience Nursing: Journal of the American Association of Neuroscience Nurses
https://www.readbyqxmd.com/read/29117032/a-preliminary-observational-study-of-anovulatory-uterine-bleeding-after-aneurysmal-subarachnoid-hemorrhage
#12
Suzanne M Brown, Susan W Fifield, Michael A Pizzi, David Alejos, Alexa N Richie, Tri A Dinh, William P Cheshire, Shon E Meek, William D Freeman
INTRODUCTION: It was observed that women with aneurysmal subarachnoid hemorrhage (aSAH) tended to have earlier menses than a typical 21- to 28-day cycle. The goal was to determine whether there is an association between aSAH and early onset of menses. METHODS: All cases of aSAH in women aged 18 to 55 years who were admitted to our facility's neuroscience intensive care unit from June 1, 2011, to June 30, 2012, were reviewed. The electronic healthcare record for each of these patients was examined for documentation of menses onset, computed tomography of the head, brain aneurysm characteristics, modified Fisher score and Glasgow Coma Scale on admission, presence/absence of vasospasm, medical/surgical history, and use of medications that affect the menstrual cycle...
December 2017: Journal of Neuroscience Nursing: Journal of the American Association of Neuroscience Nurses
https://www.readbyqxmd.com/read/29082805/identification-and-prediction-of-the-fertile-window-with-a-new-web-based-medical-device-using-a-vaginal-biosensor-for-measuring-the-circadian-and-circamensual-core-body-temperature
#13
Pedro-Antonio Regidor, Marta Kaczmarczyk, Esther Schiweck, Maren Goeckenjan-Festag, Henry Alexander
Fertility awareness-based (FAB) methods represent a term that includes all family planning methods that are based on the identification of the fertile window. They are based on the woman's observation of physiological signs of the fertile and infertile phases of the menstrual cycle. The first approach consists basically in symptothermal methods accompanied by cervical mucus measurements and clinical menstrual cycling data recording. The second most often used methods are the urinary measurement of E3G and luteinizing hormone (LH) with a personalized computer system...
October 28, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29081619/treatment-outcome-of-ovulation-inducing-agents-in-patients-with-anovulatory-infertility-a-prospective-observational-study
#14
Kinjal Prajapati, Mira Desai, Samidh Shah, Sumesh Choudhary, Rohina Aggarwal, Vineet Mishra
OBJECTIVE: To compare different treatment regimens on pregnancy rate and outcome in patients with anovulatory infertility. PATIENTS AND METHODS: A prospective observational study was conducted on patients with infertility due to anovulation. Patients treated with clomiphene citrate (CC) 50/100 mg/day from 2(nd) to 6(th) day of menstrual cycle (MC) (n = 38), short gonadotropin-releasing hormone (GnRH) agonist regimen (leuprolide [0.5 mg subcutaneous] + recombinant follicle-stimulating hormone [rFSH] [225 IU intramuscular [IM] from 2(nd) to 10(th) day of MC [n = 32]), long GnRH agonist regimen (leuprolide from 21(st) day followed by leuprolide + rFSH from 2(nd) to 10(th) day of MC [n = 19]), and antagonist regimen (human menopausal gonadotropin [hMG] [150 IU IM] from 2(nd) day followed by hMG + cetrorelix from 7(th) to 10(th) day of MC) (n = 6) were recruited and followed up for follicular size, endometrial thickness, and pregnancy test...
July 2017: Journal of Pharmacology & Pharmacotherapeutics
https://www.readbyqxmd.com/read/29055102/the-effect-of-clomiphene-citrate-on-endometrial-thickness-ovulation-pregnancy-and-live-birth-in-anovulatory-women-a-systematic-review-and-meta-analysis
#15
REVIEW
Moustafa A Gadalla, Shuo Huang, Rui Wang, Robert J Norman, Sayed A Abdullah, Ali M El Saman, Alaa M Ismail, Madelon van Wely, Ben W J Mol
OBJECTIVES: To compare the impact of clomiphene citrate (CC) versus other drug regimens on mid-cycle endometrial thickness (EMT), ovulation, pregnancy and live birth rates in women with WHO group II ovulatory disorders. METHODS: We searched MEDLINE, EMBASE, Scopus, Web of Science, The Cochrane Central Register of Clinical Trial (CENTRAL), and the non-MEDLINE subset of PubMed from inception to December 2016 and cross-checked references of relevant articles. We only included randomized controlled trials (RCTs) comparing CC used alone versus other drug regimens for ovulation induction in women with WHO group II anovulation...
October 21, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29043882/ovarian-volume-and-pcos-a-controversial-issue
#16
Pierluigi Giampaolino, Luigi Della Corte, Nicoletta De Rosa, Antonio Mercorio, Dario Bruzzese, Giuseppe Bifulco
Polycystic ovarian syndrome (PCOS) is a common endocrinopathy. The Rotterdam criteria indicate four distinct phenotypes. In phenotypes with the typical ovarian morphology (ovarian volume ≥10 ml) the sensibility to clomiphene citrate (CC) ovulation therapy was demonstrated inversely proportional to the ovarian volume. In this retrospective study we evaluated the influence of ovarian volume on the success rate of CC ovulation induction in women with anovulatory phenotype 2 characterized only by the presence of hyperandrogenism and anovulation (ANOV + HA)...
October 18, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29040879/influence-of-sexual-behavior-of-dorper-rams-treated-with-glutamate-and-or-testosterone-on-reproductive-performance-of-anovulatory-ewes
#17
Guadalupe Calderón-Leyva, Cesar A Meza-Herrera, Rafael Rodriguez-Martinez, Oscar Angel-García, Raymundo Rivas-Muñoz, Juan V Delgado-Bermejo, Francisco G Véliz-Deras
The aim of this study was to determine if exogenous administration of glutamate and (or) testosterone to male rams during the season of reproductive arrest is able to re-activate male sexual behavior and, later on, to promote through the male effect, both sexual and reproductive competence of anovulatory nulliparous ewes. Therefore, an experiment was performed under long-day photoperiods (spring; photo-reproductive arrest, 26°N). Dorper rams were randomly divided into four homogeneous experimental groups (n = 5 males each) regarding live weight (LW), body condition score (BCS), scrotal circumference (SC) and odor intensity (OI)...
January 15, 2018: Theriogenology
https://www.readbyqxmd.com/read/29017868/rates-of-anovulation-in-adolescents-and-young-adults-with-moderate-to-severe-primary-dysmenorrhea-and-those-without-primary-dysmenorrhea
#18
Laura C Seidman, Kathleen M Brennan, Andrea J Rapkin, Laura A Payne
OBJECTIVE: To evaluate rates of presumptive anovulation in eumenorrheic adolescents and young adults with moderate to severe primary dysmenorrhea and those without primary dysmenorrhea. PARTICIPANTS: Thirty-nine adolescents and young adults (ages 16-24) with primary dysmenorrhea and 52 age-matched controls. DESIGN: Participants completed luteinizing hormone surge ovulation predictor test kits. Anovulatory cycles were defined by never receiving a positive result prior to the next menstrual period; participants were grouped as anovulatory if they experienced at least one anovulatory cycle during study participation...
October 7, 2017: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/28985546/ovulation-induction-and-controlled-ovarian-stimulation-using-letrozole-gonadotropin-combination-a-single-center-retrospective-cohort-study
#19
Sushila Arya, Sanja Kupesic-Plavsic, Zuber D Mulla, Alok K Dwivedi, Zeni Crisp, Jisha Jose, Luis S Noble
OBJECTIVE: To assess the effect of letrozole in combination with low dose gonadotropins for ovulation induction in anovulatory infertility from polycystic ovary syndrome (PCOS) and controlled ovarian stimulation for endometriosis, and unexplained infertility patients. STUDY DESIGN: Retrospective cohort study in a setting of private Reproductive Endocrinology and Infertility Clinic affiliated with the University. Three hundred couples (650 cycles) requiring OI/COS for PCOS (92 patients, 195 cycles), endometriosis (89 patients, 217 cycles), and unexplained infertility (119 patients, 238 cycles)...
November 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28973719/identification-of-differentially-expressed-genes-in-pathways-of-cerebral-neurotransmission-of-anovulatory-mice
#20
M A Azevedo, I D C G Silva
Polycystic ovary syndrome is the classic example of loss of functional cyclicity and anomalous feedback. In this case, the excessive extra-glandular production and conversion of androgens to estrogens are the pathophysiological basis of the chronic anovulation. The literature describes an experimental model of the polymicrocystic ovary in obese diabetic mice with insulin resistance. The fact that these animals exhibit obesity, insulin resistance, and infertility demonstrates their skill as an experimental model for polycystic ovary...
September 27, 2017: Genetics and Molecular Research: GMR
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