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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
#1
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
#2
(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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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)...
October 9, 2017: 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
#9
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
#10
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
#11
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
https://www.readbyqxmd.com/read/28965553/patient-tailored-ovarian-stimulation-for-in%C3%A2-vitro-fertilization
#12
REVIEW
Bart C J M Fauser
At present, much attention in medicine is being directed toward individualized or patient-tailored care with the use of novel tools such as biomarkers or genomics. Research tools different from randomized controlled trials, focusing on the heterogeneity of patients rather than the intervention per se, are required to develop this concept further. In infertility care, few examples of individualized approaches with the use of multivariate prediction models can be found, such as the prediction of spontaneous conception chances in infertile patients or regarding the medical treatment of anovulatory infertility...
October 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28938484/long-noncoding-rnas-potential-regulators-involved-in-the-pathogenesis-of-polycystic-ovary-syndrome
#13
Yu-Dong Liu, Ying Li, Shu-Xian Feng, De-Sheng Ye, Xin Chen, Xing-Yu Zhou, Shi-Ling Chen
Polycystic ovary syndrome (PCOS) is the most common cause of anovulatory infertility in women of reproductive age, and its etiology remains poorly understood. Altered activities of long noncoding RNAs (lncRNAs) have been associated with human diseases and development. However, the roles of lncRNAs are unknown in reproductive medicine. We investigated the potential role of lncRNAs in the pathogenesis of PCOS, using human granulosa cells (GCs) and the KGN cell line. We used microarrays to compare lncRNA expression profiles in GCs from seven patients with PCOS and seven matched women...
November 1, 2017: Endocrinology
https://www.readbyqxmd.com/read/28913122/impact-of-laparoscopic-ovarian-drilling-on-serum-anti-mullerian-hormone-levels-in-patients-with-anovulatory-polycystic-ovarian-syndrome
#14
Sobhana Paramu
OBJECTIVES: Anti-mullerian hormone (AMH) is a marker of the activity of recruitable ovarian follicles. It is useful in the prediction of ovarian reserve. Women with polycystic ovarian syndrome (PCOS) have elevated circulating and intrafollicular AMH levels. Laparoscopic ovarian drilling (LOD) in patients with PCOS destroys ovarian androgen-producing tissue and reduces their peripheral conversion to estrogens. Identifying factors that determine the response of patients with PCOS to LOD will help in selecting the patients who would likely benefit from this treatment...
December 2016: Turk J Obstet Gynecol
https://www.readbyqxmd.com/read/28911368/systemic-adiponectin-treatment-reverses-polycystic-ovary-syndrome-like-features-in-an-animal-model
#15
Anusha Singh, Puran Bora, Amitabh Krishna
The present study examined the efficacy of adiponectin for regulating the reproductive, metabolic and fertility status of mice with polycystic ovary syndrome (PCOS). PCOS was induced in prepubertal (21- to 22-day-old) mice using dehydroepiandrosterone (6mg 100g-1day-1 for 25days), after which mice were administered either a low or high dose of adiponectin (5 or 15µgmL-1, s.c., respectively). PCOS mice exhibited typical features, including the presence of numerous cystic follicles, increased circulating androgens, increased body mass, altered steroidogenesis, decreased insulin receptor expression and increased serum triglycerides, serum glucose, Toll-like receptor (TLR)-4 (a marker of inflammation) and vascular endothelial growth factor (VEGF; a marker of angiogenesis)...
September 15, 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28881231/follicles-and-gonadotropins-during-waves-2-and-3-in-three-wave-interovulatory-intervals-in-bos-taurus-heifers
#16
O J Ginther, M A R Siddiqui, E R Araujo, S V Dangudubiyyam
Observations were made on follicle dynamics and gonadotropin concentrations in anovulatory wave 2 and ovulatory wave 3 in three-wave interovulatory intervals (n = 15). Hypotheses were not used owing to inadequate availability of rationale. The future dominant follicles for waves 2 and 3 were designated DF2 and DF3 and the largest future subordinate follicles as SF2 and SF3, respectively. The day of expected diameter deviation (day 0) was defined as the day that DF2 or DF3 was closest to 8.5 mm. The first day that DF2 became smaller (P < 0...
August 30, 2017: Theriogenology
https://www.readbyqxmd.com/read/28854590/double-blind-randomized-controlled-trial-of-letrozole-versus-clomiphene-citrate-in-subfertile-women-with-polycystic-ovarian-syndrome
#17
S A Amer, J Smith, A Mahran, P Fox, A Fakis
STUDY QUESTION: Would letrozole as a primary ovulation induction agent generate better pregnancy rates than clomiphene citrate (CC) in subfertile women with anovulatory polycystic ovarian syndrome (PCOS)? SUMMARY ANSWER: Participants receiving letrozole as a primary treatment achieved a significantly (P = 0.022) higher clinical pregnancy rate per patient (61.2%) compared to CC (43.0%). WHAT IS KNOWN ALREADY: According to a recent Cochrane systematic review (2014), letrozole appears to improve live-birth (LB) and pregnancy rates in anovulatory women with PCOS, compared to CC...
August 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28854584/polycystic-ovarian-morphology-and-the-diagnosis-of-polycystic-ovary-syndrome-redefining-threshold-levels-for-follicle-count-and-serum-anti-m%C3%A3-llerian-hormone-using-cluster-analysis
#18
S Lie Fong, J S E Laven, A Duhamel, D Dewailly
STUDY QUESTION: Can cluster analysis be used to differentiate between normo-ovulatory women with normal ovaries and normo-ovulatory women with polycystic ovarian morphology (PCOM) in a non-subjective manner? SUMMARY ANSWER: Cluster analysis can be used to accurately and non-subjectively differentiate between normo-ovulatory women with normal ovaries and normo-ovulatory women with PCOM. WHAT IS KNOWN ALREADY: Currently, PCOM is diagnosed using a fixed threshold level, i...
August 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28794095/the-majority-of-irregular-menstrual-cycles-in-adolescence-are-ovulatory-results-of-a-prospective-study
#19
Alexia S Peà A, Dorota A Doherty, Helen C Atkinson, Martha Hickey, Robert J Norman, Roger Hart
PURPOSE: While ovulation is most likely to occur in adolescent girls with regular menstrual cycles, there are limited data on the incidence of ovulation in girls with irregular menstrual cycles in early postmenarcheal years. The aim of the study was to evaluate the presence of ovulation in healthy postmenarcheal girls with irregular menstrual cycles. METHODS, DESIGN AND SUBJECTS: Prospective cohort study over 12 weeks including 40 healthy postmenarcheal girls recruited from the population-based cohort of adolescents from Western Australian Pregnancy Cohort (Raine) Study with irregular menstrual cycles defined by either menstrual cycles <21 days or >35 days in duration or cycle length that varied from month to month by >4 days according to menstrual diaries...
August 9, 2017: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/28768568/changes-in-urinary-androgen-concentration-indicate-that-male-giant-pandas-ailuropoda-melanoleuca-respond-to-impending-female-oestrus-during-and-outside-the-typical-spring-breeding-season
#20
Barbara L Gocinski, Katrina K Knott, Beth M Roberts, Janine L Brown, Carrie K Vance, Andrew J Kouba
Giant pandas have been described as mono-oestrus spring breeders, yet males exposed to aseasonal oestrous females in the autumn or winter exhibit breeding behaviours and interest in mating. In the present study, urinary androgens and sperm parameters were quantified for males exposed to females expressing oestrus during spring, autumn or winter to examine plasticity of reproductive seasonality in giant pandas. Monthly average androgen concentrations for two males exposed to females in either seasonal or aseasonal oestrus were greater (P<0...
August 3, 2017: Reproduction, Fertility, and Development
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