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https://www.readbyqxmd.com/read/27918066/anti-m%C3%A3-llerian-hormone-and-polycystic-ovary-syndrome
#1
Agnieszka Łebkowska, Irina Kowalska
Anti-Müllerian hormone (AMH) is a glycoprotein, a member of the transforming growth factor β family, reflecting the number of ovarian antral follicles. Polycystic ovary syndrome (PCOS) is a common endocrinopathy predisposing to infertility, metabolic and cardiovascular complications. In our review, we discuss the role of AMH in PCOS pathophysiology and its clinical applications according to the published studies. Improvement of AMH assay validity will allow to widen the clinical utility of this valuable biomarker...
December 5, 2016: Endokrynologia Polska
https://www.readbyqxmd.com/read/27912901/individualized-versus-conventional-ovarian-stimulation-for-in%C3%A2-vitro-fertilization-a-multicenter-randomized-controlled-assessor-blinded-phase-3-noninferiority-trial
#2
Anders Nyboe Andersen, Scott M Nelson, Bart C J M Fauser, Juan Antonio García-Velasco, Bjarke M Klein, Joan-Carles Arce
OBJECTIVE: To compare the efficacy and safety of follitropin delta, a new human recombinant FSH with individualized dosing based on serum antimüllerian hormone (AMH) and body weight, with conventional follitropin alfa dosing for ovarian stimulation in women undergoing IVF. DESIGN: Randomized, multicenter, assessor-blinded, noninferiority trial (ESTHER-1). SETTING: Reproductive medicine clinics. PATIENT(S): A total of 1,329 women (aged 18-40 years)...
November 22, 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27910705/left-right-differences-in-ovarian-volume-and-antral-follicle-count-in-1423-women-of-reproductive-age
#3
Anne-Sofie Korsholm, Helene Westring Hvidman, Janne Gasseholm Bentzen, Anders Nyboe Andersen, Kathrine Birch Petersen
The aim of this cross-sectional study was to investigate side differences in antral follicle count (AFC) and ovarian volume in left versus right ovaries in relation to chronological and "biological" age, the latter estimated by anti-Müllerian hormone (AMH) levels. The cohort comprised 1423 women: 1014 fertile and 409 infertile. All were examined by transvaginal sonography and serum AMH. Overall the right ovary contained 8.1% more antral follicles (p = 0.002) and had 10.7% larger volume compared with the left (p < 0...
December 2, 2016: Gynecological Endocrinology
https://www.readbyqxmd.com/read/27907901/serum-amh-levels-in-healthy-women-from-brca1-2-mutated-families-are-they-reduced
#4
Theodora C van Tilborg, Inge A P Derks-Smeets, Anna M E Bos, Jan C Oosterwijk, Ron J van Golde, Christine E de Die-Smulders, Lizet E van der Kolk, Wendy A G van Zelst-Stams, Maria E Velthuizen, Annemieke Hoek, Marinus J C Eijkemans, Joop S E Laven, Margreet G E M Ausems, Frank J M Broekmans
STUDY QUESTION: Do BRCA1/2 mutation carriers have a compromised ovarian reserve compared to proven non-carriers, based on serum anti-Müllerian hormone (AMH) levels? SUMMARY ANSWER: BRCA1/2 mutation carriers do not show a lower serum AMH level in comparison to proven non-carriers, after adjustment for potential confounders. WHAT IS KNOWN ALREADY: It has been suggested that the BRCA genes play a role in the process of ovarian reserve depletion, although previous studies have shown inconsistent results regarding the association between serum AMH levels and BRCA mutation status...
November 2016: Human Reproduction
https://www.readbyqxmd.com/read/27906711/polycystic-ovary-syndrome-in-adolescent-girls
#5
Natalie Hecht Baldauff, Selma Feldman Witchel
PURPOSE OF REVIEW: Polycystic ovary syndrome (PCOS) is a common heterogeneous disorder that appears to have its origins during the peripubertal years. The diagnostic conundrum is that the typical clinical features, irregular menses and acne, occur during normal female puberty. Understanding the physiologic origins and molecular basis of the dysregulated hypothalamic-pituitary-gonadal axis in PCOS is fundamental to interrupting the distinctive vicious cycle of hyperandrogenism and chronic anovulation...
November 30, 2016: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/27906603/utility-of-ovarian-reserve-screening-with-anti-m%C3%A3-llerian-hormone-for-reproductive-age-women-deferring-pregnancy
#6
Lisa C Grossman, Lauren Zakarin Safier, Melissa D Kline, Cariann W Chan, Rogerio A Lobo, Mark V Sauer, Nataki C Douglas
BACKGROUND: Ovarian reserve (OR) testing with serum anti-Müllerian hormone (AMH) can provide information about a woman's fertility potential. The aim of this study was to assess interest and knowledge about OR testing and investigate the utility of measuring AMH in women of reproductive age deferring pregnancy. METHODS: Women ages 27-37 years currently delaying childbearing were invited to take a survey regarding attitudes and knowledge about OR testing before and after an AMH measurement with explanation of their results...
December 1, 2016: Journal of Women's Health
https://www.readbyqxmd.com/read/27902230/roseitalea-porphyridii-gen-nov-sp-nov-isolated-from-a-red-alga-and-reclassification-of-hoeflea-suaedae-chung-et-al-2013-as-pseudohoeflea-suaedae-gen-nov-comb-nov
#7
Jong Woo Hyeon, Sang Eun Jeong, Kyunghwa Baek, Che Ok Jeon
A Gram-staining-negative, strictly aerobic bacterial strain, designated MA7-20T, was isolated from a marine alga, Porphyridium marinum, in Korea. Cells showing oxidase-positive and catalase-positive activities were motile rods with bipolar flagella. Growth of strain MA7-20T was observed at 15-45 C (optimum, 30-37 C), at pH 6.0-10.5 (optimum, pH 7.0-8.0) and in the presence of 0-7 % (w/v) NaCl (optimum, 2-3 %). Strain MA7-20T contained summed feature 8 (comprising C18:1 ω7c/C18:1 ω6c) and 11-methyl-C18:1 ω7c and C18:0 as the major fatty acids and ubiquinone-10 as the sole isoprenoid quinone...
November 2, 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27899313/prognostic-factors-for-assisted-reproductive-technology-in-women-with-endometriosis-related-infertility
#8
Chloé Maignien, Pietro Santulli, Vanessa Gayet, Marie-Christine Lafay-Pillet, Diane Korb, Mathilde Bourdon, Louis Marcellin, Dominique de Ziegler, Charles Chapron
BACKGROUND: Assisted reproductive technology is one of the therapeutic options offered for managing endometriosis-associated infertility. Yet, published data on assisted reproductive technology outcome in women affected by endometriosis are conflicting and the determinant factors for pregnancy chances unclear. OBJECTIVE: To evaluate assisted reproductive technology outcomes in a series of 359 endometriosis patients, to identify prognostic factors and determine if there is an impact of the endometriosis phenotype...
November 26, 2016: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27899014/differentiation-between-polycystic-ovary-syndrome-and-polycystic-ovarian-morphology-by-means-of-an-anti-m%C3%A3-llerian-hormone-cutoff-value
#9
Do Kyeong Song, Jee-Young Oh, Hyejin Lee, Yeon-Ah Sung
Background/Aims: Although increased serum anti-Müllerian hormone (AMH) level has been suggested to be a surrogate marker of polycystic ovarian morphology (PCOM), its association with polycystic ovary syndrome (PCOS) is controversial, and its diagnostic value has not been determined. We aimed to observe the relationship between the AMH level and PCOS phenotypes and to determine the optimal cutoff value of AMH for the diagnosis of PCOS in young Korean women. Methods: We recruited 207 women with PCOS (120 with PCOM and 87 without PCOM) and 220 regular cycling women with normoandrogenemia (100 with PCOM and 120 without PCOM)...
November 30, 2016: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/27896984/methods-for-clustering-time-series-data-acquired-from-mobile-health-apps
#10
Nicole Tignor, Pei Wang, Nicholas Genes, Linda Rogers, Steven G Hershman, Erick R Scott, Micol Zweig, Yu-Feng Yvonne Chan, Eric E Schadt
In our recent Asthma Mobile Health Study (AMHS), thousands of asthma patients across the country contributed medical data through the iPhone Asthma Health App on a daily basis for an extended period of time. The collected data included daily self-reported asthma symptoms, symptom triggers, and real time geographic location information. The AMHS is just one of many studies occurring in the context of now many thousands of mobile health apps aimed at improving wellness and better managing chronic disease conditions, leveraging the passive and active collection of data from mobile, handheld smart devices...
2016: Pacific Symposium on Biocomputing
https://www.readbyqxmd.com/read/27887709/impact-of-tamoxifen-therapy-on-fertility-in-breast-cancer-survivors
#11
Lisa M Shandley, Jessica B Spencer, Amy Fothergill, Ann C Mertens, Amita Manatunga, Elisavet Paplomata, Penelope P Howards
OBJECTIVE: To determine whether tamoxifen use is associated with decreased ovarian reserve and decreased likelihood of having a child after a breast cancer diagnosis, using data from the Furthering Understanding of Cancer, Health, and Survivorship in Adult (FUCHSIA) Women Study. DESIGN: Population-based cohort study. SETTING: Not applicable. PATIENT(S): Three hundred ninety-seven female breast cancer survivors aged 22-45 years whose cancer was diagnosed between ages 20 and 35 years and who were at least 2 years after diagnosis; 108 survivors also participated in a clinic visit...
November 22, 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27882049/different-effects-of-myoinositol-plus-folic-acid-versus-combined-oral-treatment-on-androgen-levels-in-pcos-women
#12
Ali Cenk Ozay, Ozlen Emekci Ozay, Recep Emre Okyay, Erkan Cagliyan, Tuncay Kume, Bulent Gulekli
Recently, myoinositol (myo-ins) and folic acid combination has gained an important role for treating Polycystic Ovary Syndrome (PCOS), in addition to combined oral contraceptives (COC). We aimed to examine myo-ins effects on anti-Mullerian hormone (AMH) levels and compare them with those ones obtained administering COC. In this prospective study, 137 PCOS patients, diagnosed according to Rotterdam criteria and admitted to the Reproductive Endocrinology and Infertility Outpatient Clinic at Dokuz Eylul University (Izmir, Turkey), were included...
2016: International Journal of Endocrinology
https://www.readbyqxmd.com/read/27880944/opportunistic-salpingectomy-does-not-affect-ovarian-reserve-or-surgical-outcomes-in-patients-undergoing-laparoscopic-myomectomy
#13
Taejong Song, San-Hui Lee, Woo Young Kim, Eun Jin Heo, Tae-Joong Kim
OBJECTIVE: To determine whether opportunistic salpingectomy in patients undergoing laparoscopic myomectomy has any deleterious effects on ovarian reserve and surgical risk. STUDY DESIGN: We performed a retrospective review of patients who had no desire for future child bearing and who were undergoing laparoscopic myomectomy for symptomatic myomas at 4 institutions. Among them, 41 patients concurrently underwent opportunistic salpingectomy (the opportunistic salpingectomy group) and 65 patients did not undergo salpingectomy at the time of laparoscopic myomectomy (the no-salpingectomy group)...
November 24, 2016: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/27879453/effects-of-supplementation-of-human-endometriotic-fluids-on-in-vitro-mouse-preantral-follicle-culture
#14
Seul Ki Kim, Byung Chul Jee, Seok Hyun Kim
This study aimed to investigate the potential detrimental effect of human endometriotic fluids (EFs) on in vitro growth of mouse preantral follicles. Preantral follicles (isolated from ovaries of 7- to 8-week-old mice) were cultured in growth medium for 10 days and then in maturation medium for 2 days. During in vitro culture, EF supernatants (0%, 2.5%, 5%, and 10%) were supplemented. Meiotic spindle integrity of metaphase II (MII) oocytes was analyzed. Hormone (17β-estradiol and anti-Müllerian hormone [AMH]) levels in the final spent media were measured by enzyme-linked immunosorbent assay...
November 21, 2016: Reproductive Sciences
https://www.readbyqxmd.com/read/27871921/eeg-frequency-tagging-using-ultra-slow-periodic-heat-stimulation-of-the-skin-reveals-cortical-activity-specifically-related-to-c-fiber-thermonociceptors
#15
Elisabeth Colon, Giulia Liberati, André Mouraux
The recording of event-related brain potentials triggered by a transient heat stimulus is used extensively to study nociception and diagnose lesions or dysfunctions of the nociceptive system in humans. However, these responses are related exclusively to the activation of a specific subclass of nociceptive afferents: quickly-adapting thermonociceptors. In fact, except if the activation of Aδ fibers is avoided or if A fibers are blocked, these responses specifically reflect activity triggered by the activation of Type 2 quickly-adapting A fiber mechano-heat nociceptors (AMH-2)...
November 19, 2016: NeuroImage
https://www.readbyqxmd.com/read/27871721/roles-of-human-epididymis-protein-4-carbohydrate-antigen-125-inhibin-b-and-anti-m%C3%A3-llerian-hormone-in-the-differential-diagnosis-and-follow-up-of-ovarian-granulosa-cell-tumors
#16
Ulla-Maija Haltia, Marianne Hallamaa, Johanna Tapper, Johanna Hynninen, Henrik Alfthan, Bhanu Kalra, Olli Ritvos, Markku Heikinheimo, Leila Unkila-Kallio, Antti Perheentupa, Anniina Färkkilä
OBJECTIVE: Evaluation of circulating tumor markers in ovarian cancer is crucial for optimal patient care. The goal of this study was to verify the most accurate circulating tumor markers for the diagnosis and follow-up of adult-type granulosa cell tumors (AGCTs). METHODS: The levels of circulating human epididymis protein 4 (HE4) and carbohydrate antigen 125 (CA125), together with AGCT markers inhibin B and anti-Müllerian hormone (AMH), were measured in 135 samples from AGCT patients, 37 epithelial ovarian carcinoma (EOC) patients, and 40 endometrioma (ENDO) patients...
November 18, 2016: Gynecologic Oncology
https://www.readbyqxmd.com/read/27870902/sleep-duration-exercise-shift-work-and-polycystic-ovarian-syndrome-related-outcomes-in-a-healthy-population-a-cross-sectional-study
#17
Audrey J R Lim, Zhongwei Huang, Seok Eng Chua, Michael S Kramer, Eu-Leong Yong
CONTEXT: Few studies have examined the associations between sleep duration, shiftwork, and exercise to the infrequent menstruation, hyperandrogenism, and ovarian morphological changes observed in women with polycystic ovarian syndrome (PCOS). OBJECTIVE: To examine whether lifestyle factors, including short sleep duration, insufficient exercise, and shiftwork, alone or in combination, are associated with the reproductive and metabolic abnormalities typical of PCOS in a healthy population...
2016: PloS One
https://www.readbyqxmd.com/read/27865943/association-between-parity-and-ovarian-reserve-in-reproductive-age-women
#18
Ashraf Moini, Manigeh Hedayatshodeh, Reihaneh Hosseini, Hadith Rastad
OBJECTIVE: A number of factors affect ovarian reserve. In this study, we investigate the association between parity and ovarian reserve in reproductive age women. MATERIALS AND METHODS: This cross-sectional study was conducted on 186 women aged 20-35 years. The participants were divided into two main groups. Group A (n=93) included women with at least one parity (pregnancy after 28 weeks), while group B (n=93) included women with no history of pregnancy. We evaluated the following factors related to ovarian reserve: follicle-stimulating hormone (FSH), ovarian antral follicles, anti-Müllerian hormone (AMH), and ovarian volume...
November 9, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/27864099/comparability-of-the-effect-of-storage-time-and-temperature-on-serum-anti-m%C3%A3-llerian-hormone-measurement-between-original-and-modified-enzyme-linked-immunosorbent-assay
#19
Chao-Yan Yue, Chun-Mei Ying
OBJECTIVE: To explore the effect of modified enzyme-linked immunosorbent assay on the AMH results is increased or decreased, and to investigate the effect of storage time and temperature on AMH measurements with and without sample premixing assay buffer using the Kangrun ELISA method. METHOD: Serum AMH concentration were measured by ELISA, consistency between two kits, and comparability between original and the modified assay under different stored conditions were analyzed by Passing-Bablok regression analysis and Bland-Altman bias evaluation...
November 16, 2016: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/27859704/age-and-anti-m%C3%A3-llerian-hormone-levels-predict-the-success-of-in-vitro-maturation-of-cat-oocytes
#20
F Snoeck, S Sarrazin, E Wydooghe, A Van Soom
Up to date, in vitro maturation (IVM) rates of oocytes are highly variable between individual cats. This study was carried out to investigate the predictive value of age and anti-Müllerian hormone (AMH) concentration in relation to capacity for IVM of cat oocytes. Ovaries were collected from 33 cats, which were divided into three age groups: (i) 0-3 months (pre-pubertal); (ii) 3-12 months (peripubertal); and (iii) older than 12 months (pubertal). The cumulus-oocyte complexes (COCs) were matured and subsequently stained to check nuclear maturation status, and blood was taken for AMH analysis...
November 15, 2016: Reproduction in Domestic Animals, Zuchthygiene
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