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https://www.readbyqxmd.com/read/28634453/relaxin-family-peptide-receptors-1-and-2-are-fully-functional-in-the-bovine
#1
Yanzhenzi Dai, Richard Ivell, Xuan Liu, Dana Janowski, Ravinder Anand-Ivell
In most mammals the peptide hormone relaxin is a key physiological component regulating early pregnancy and birth. However, synteny analysis shows that the gene encoding ovarian relaxin-2 is deleted in cows and sheep. While, these ruminants appear to exhibit a relaxin-like physiology, as in other mammals, until now a molecular understanding of this has been lacking. Cloning and expression analysis of the cognate bovine receptor for relaxin, RXFP1, as well as of the structurally related receptor, RXFP2, in female tissues, shows that these are expressed in a similar way to other mammals...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28631522/evidence-based-management-of-non-tubal-ectopic-pregnancies
#2
Aderemi Olaoluwa Alalade, Fredrick John Ennis Smith, Charlotte Emma Kendall, Funlayo Odejinmi
Recent advances in ultrasonography and the use of other modalities including magnetic resonance imaging scans have led to the early and more accurate diagnosis of non-tubal ectopic pregnancies (NTE). As a result, the management of these pregnancies has evolved. This article addresses the management options currently available for NTE. While surgical management remains the mainstay of treatment for ovarian, abdominal and cornual ectopics, there is growing evidence that some of these can be managed medically...
June 20, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28630466/comparative-effectiveness-of-9-ovulation-induction-therapies-in-patients-with-clomiphene-citrate-resistant-polycystic-ovary-syndrome-a-network-meta-analysis
#3
Yiping Yu, Lanlan Fang, Ruizhe Zhang, Jingyan He, Yujing Xiong, Xiaoyi Guo, Qingyun Du, Yan Huang, Yingpu Sun
The comparative efficacies of ovulation-induction treatments in patients with clomiphene citrate-resistant (CCR) polycystic ovary syndrome (PCOS) are not well known. Therefore, we conducted a network meta-analysis to rank the reproductive efficacies of these treatments. We ultimately included 26 randomized clinical trials with 2722 participants and 9 types of therapies: clomiphene citrate (CC), metformin, letrozole, follicle stimulating hormone (FSH), human menopausal gonadotropin (hMG), unilateral laparoscopic ovarian drilling (ULOD), bilateral laparoscopic ovarian drilling (BLOD), the combination of metformin with letrozole (metformin+letrozole), and the combination of metformin with CC (metformin+CC)...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28627828/the-relationship-between-the-mthfr-c677t-genotypes-to-serum-anti-m%C3%A3-llerian-hormone-concentrations-and-in-vitro-fertilization-intracytoplasmic-sperm-injection-outcome
#4
Seyedeh Z Shahrokhi, Faranak Kazerouni, Firouzeh Ghaffari, Ali Rahimipour, Mir D Omrani, Arezoo Arabipoor, Ramin Lak, Elaheh T Ghane
BACKGROUND: The expression of the 5,10-methylentetrahydrofolate reductase (MTHFR) gene in human oocytes and preimplantation embryos suggests that the MTHFR gene is involved in folliculogenesis and female reproduction. Considering the importance of the MTHFR gene on female reproduction, the aim of this study was to evalu- ate the influence of MTHFR C677T polymorphism on ovarian marker reserve, particularly serum anti-Müllerian hormone (AMH) levels, and ovarian response as well as clinical pregnancy rates after in vitro fertilization (IVF)/ intracytoplasmic sperm injection (ICSI)...
May 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28626980/comparison-of-management-regimens-following-ultrasound-diagnosis-of-nontubal-ectopic-pregnancies-a-retrospective-cohort-study
#5
J Ramkrishna, G R Kan, K L Reidy, W C Ang, R Palma-Dias
OBJECTIVE: To review management options for nontubal ectopic pregnancies. DESIGN: Retrospective cohort study. SETTING: Tertiary hospital in Melbourne, Australia. POPULATION: A total of 100 nontubal pregnancies: 1 abdominal, 32 caesarean scar, 14 cervical, 41 cornual-interstitial, 12 ovarian. METHODS: Cases were classified according to ectopic site. Management categories were medical, surgical, combination or expectant...
June 19, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28625761/impact-of-vitamin-d-levels-on-ovarian-reserve-and-ovarian-response-to-ovarian-stimulation-in-oocyte-donors
#6
Alberta Maria Fabris, Maria Cruz, Carlos Iglesias, Alberto Pacheco, Azadeh Patel, Jayesh Patel, Human Fatemi, Juan Antonio García-Velasco
Recently, growing interest in vitamin D has emerged from findings that demonstrate a low vitamin D status in populations. Similarly, much interest has been shown in the role that anti-Müllerian hormone (AMH) plays in reproductive physiology. Considerable confusion as to whether vitamin D status is related to ovarian function can be found in the literature. Our retrospective study was performed from June 2014 to April 2015. Oocyte donors were recruited and stimulated under the antagonist protocol with gonadotrophin-releasing hormone (GnRH) agonist to trigger ovulation...
May 19, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28621496/adrenomedullin-regulates-the-speed-of-oviductal-fluid-flow-in-cattle
#7
Yuka Yoshimoto, Takumi Nishie, Sayaka Ito, Yoshihiko Kobayashi, Yuki Yamamoto, Kiyoshi Okuda, Koji Kimura
Unidirectional flow of oviductal fluid from the ovarian to uterine side of the ampulla plays a significant role in successful pregnancy, and is produced by ciliary beating. Various systems regulate ciliary beating, such as paracrine, autocrine, and endocrine. We hypothesized that Adrenomedullin (ADM) - a peptide hormone that acts via its receptors, which are complexes of Calcitonin receptor-like receptor (CRLR) and Receptor activity-modifying protein (RAMP) 2 or 3-promotes oviductal fluid flow in the ampulla of bovine oviducts...
June 16, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/28620352/efficacy-of-follicle-stimulating-hormone-fsh-alone-fsh%C3%A2-%C3%A2-luteinizing-hormone-human-menopausal-gonadotropin-or-fsh%C3%A2-%C3%A2-human-chorionic-gonadotropin-on-assisted-reproductive-technology-outcomes-in-the-personalized-medicine-era-a-meta-analysis
#8
Daniele Santi, Livio Casarini, Carlo Alviggi, Manuela Simoni
SETTING: Luteinizing hormone (LH) and human chorionic gonadotropin (hCG) act on the same receptor, activating different signal transduction pathways. The role of LH or hCG addition to follicle-stimulating hormone (FSH) as well as menopausal gonadotropins (human menopausal gonadotropin; hMG) in controlled ovarian stimulation (COS) is debated. OBJECTIVE: To compare FSH + LH, or FSH + hCG or hMG vs. FSH alone on COS outcomes. DESIGN: A meta-analysis according to PRISMA statement and Cochrane Collaboration was performed, including prospective, controlled clinical trials published until July 2016, enrolling women treated with FSH alone or combined with other gonadotropins...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28619690/metformin-the-aspirin-of-the-21-st-century-its-role-in-gestational-diabetes-prevention-of-preeclampsia-and-cancer-and-the-promotion-of-longevity
#9
REVIEW
Roberto Romero, Offer Erez, Maik Hüttemann, Eli Maymon, Bogdan Panaitescu, Agustin Conde-Agudelo, Percy Pacora, Bo Hyun Yoon, Lawrence I Grossman
Metformin is everywhere. Originally introduced in clinical practice as an anti-diabetic agent, its role as a therapeutic agent is expanding to include treatment of pre-diabetes, gestational diabetes, polycystic ovarian disease, and more recently, experimental studies, as well as observations in randomized clinical trials, suggest that metformin could have a place in the treatment or prevention of preeclampsia. This article provides a brief overview of the history of metformin in the treatment of diabetes, reviews the results of meta-analyses of metformin in gestational diabetes, and the treatment of obese non-diabetic pregnant women to prevent macrosomia...
June 12, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28617821/supplementation-with-small-extracellular-vesicles-from-ovarian-follicular-fluid-during-in-vitro-production-modulates-bovine-embryo-development
#10
Juliano C da Silveira, Gabriella M Andrade, Maite Del Collado, Rafael V Sampaio, Juliano R Sangalli, Luciano A Silva, Fábio V L Pinaffi, Izabelle B Jardim, Marcelo C Cesar, Marcelo F G Nogueira, Aline S M Cesar, Luiz L Coutinho, Rinaldo W Pereira, Felipe Perecin, Flávio V Meirelles
Pregnancy success results from the interaction of multiple factors, among them are folliculogenesis and early embryonic development. Failure during these different processes can lead to difficulties in conception. Alternatives to overcome these problems are based on assisted reproductive techniques. Extracellular vesicles are cell-secreted vesicles present in different body fluids and contain bioactive materials, such as messenger RNA, microRNAs (miRNAs), and proteins. Thus, our hypothesis is that extracellular vesicles from follicular fluid from 3-6 mm ovarian follicles can modulate bovine embryo development in vitro...
2017: PloS One
https://www.readbyqxmd.com/read/28617534/afc-vs-amh-prediction-of-ovarian-response-in-women-with-endometrioma-undergoing-controlled-ovarian-stimulation
#11
A A Ersahin, H Arpaci, S S Ersahin, N Celik, M Acet
OBJECTIVE: To assess the clinical value of antral follicle count (AFC) and anti-Mullerian hormone (AMH) for the prediction of ovarian response in women with endometrioma undergoing controlled ovarian stimulation for IVF using GnRH antagonist treatment. PATIENTS AND METHODS: Fifty patients with endometrioma who underwent their first IVF/ICSI cycle with GnRH antagonist treatment were included in the study. The average AMH values were recorded as 1.5-2 ng/mL. Fifty infertile women are not suffering from endometrioma were selected from those with male factor infertility as control...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28611542/protecting-effects-of-gonadotropin-releasing-hormone-agonist-on-chemotherapy-induced-ovarian-damage-in-premenopausal-breast-cancer-patients-a-systematic-review-and-meta-analysis
#12
REVIEW
Fang Bai, Yunshu Lu, Kejin Wu, Qing Chen, Longlong Ding, Meixin Ge, Ziyi Weng
OBJECTIVE: There is no universal consensus on whether gonadotropin-releasing hormone (GnRH) agonist could protect chemotherapy-induced ovarian damage in premenopausal breast cancer patients. This meta-analysis was conducted to estimate the protective effects of GnRH agonist on premenopausal breast cancer patients in details. METHODS: PubMed, Cochrane Library, Embase, CNKI and the Chinese Wangfang Database, conference proceedings and clinical trials were searched to find studies reported since 2000...
March 2017: Breast Care
https://www.readbyqxmd.com/read/28610407/lack-of-hpv-in-benign-and-malignant-epithelial-ovarian-tumors-in-iran
#13
Farah Farzaneh, Seyed Alireza Nadji, Donya Khosravi, Maryam Sadat Hosseini, Mohammad Hashemi Bahremani, Mohammad Chehrazi, Ghazal Bagheri, Afsaneh Sigaroodi, Zahra Haghighatian
Background: Ovarian epithelial tumors one of the most common gynecological neoplasms; we here evaluated the presence of HPV in benign and malignant examples. Methods: In this cross-sectional study the records of 105 patients with epithelial ovarian tumors (benign and malignant) referred to Imam Hossein University Hospital from 2012 to 2015 were evaluated along with assessment of the presence of the HPV infection using PCR. Results: Among 105 patients, comprising 26 (24.8%) with malignant and 79 (75.2%) with benign lesions, the factors found to impact on malignancy were age at diagnosis, age at first pregnancy, number of pregnancies and hormonal status...
May 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28609392/the-role-of-hormone-therapy-in-the-management-of-severe-postpartum-depression-in-patients-with-turner-syndrome
#14
Alison K Shea, Wendy Wolfman
OBJECTIVE: Premature ovarian failure associated with Turner syndrome presents clinicians with a vast range of health concerns, including infertility, cardiovascular disease, and decreased bone mineral density, in addition to psychological sequelae. Hormone therapy is paramount in managing these complications, but the additional needs in the postpartum period for those who are able to carry out a successful pregnancy have not been described. METHODS: We present a case of severe postpartum depression (PPD) with psychotic features in a patient with Turner syndrome, which presented at 4 weeks after the birth of her first child via egg donation RESULTS:: We describe the case of a previously well 32-year-old patient with an 46 X, i(Xq) karyotype, who went through a 4-week intensive inpatient treatment course for PPD, requiring electroconvulsant therapy for persistent infanticidal and suicidal ideation...
June 12, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28609281/ectopic-ovarian-pregnancy-after-intracytoplasmic-sperm-injection-with-testicular-spermatozoa-a-case-report
#15
Javier García-Ferreyra, Roly Hilario, Julio Dueñas
Ovarian ectopic pregnancy is a rare event in both natural and assisted human reproduction settings. There are few reports of this event after in vitro fertilization. Diagnosis can be challenging, since it requires specific medical expertise. Patients with this condition call for careful management during treatment so as to not affect their fertility potential. This paper describes the case of a woman submitted to ICSI and embryo transfer who subsequently had an ovarian ectopic pregnancy and underwent a laparoscopic partial right oophorectomy...
June 1, 2017: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/28609269/corifollitropin-alfa-compared-to-daily-rfsh-or-hp-hmg-in-gnrh-antagonist-controlled-ovarian-stimulation-protocol-for-patients-undergoing-assisted-reproduction
#16
Priscila Morais Galvão Souza, Bruno Ramalho de Carvalho, Hitomi Miura Nakagawa, Thalita Reis Esselin Rassi, Antônio César Paes Barbosa, Adelino Amaral Silva
OBJECTIVE: This study aimed to compare the outcomes of controlled ovarian stimulation (COS) with corifollitropin alfa versus daily recombinant follicle-stimulating hormone (rRFSH) or highly purified human menopausal gonadotropin (HP-HMG) in patients undergoing in vitro fertilization (IVF) cycles based on gonadotropin-releasing hormone (GnRH) antagonist protocols. The primary endpoints were total number of oocytes and mature oocytes. METHODS: This retrospective study looked into 132 controlled ovarian stimulation cycles from IVF or oocyte cryopreservation performed in a private human reproduction center between January 1 and December 31, 2014...
June 1, 2017: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/28609124/the-impact-of-laparoscopic-surgery-of-peritoneal-endometriosis-and-endometrioma-on-the-outcome-of-icsi-cycles
#17
Ismail Guler, Ahmet Erdem, Yuksel Oguz, Funda Cevher, Mehmet Firat Mutlu, Nuray Bozkurt, Mesut Oktem, Mehmet Erdem
Our objective was to assess the role of laparoscopic removal of ovarian endometriomas and ablation of peritoneal endometriosis on the outcome of intracytoplasmic sperm injection (ICSI) - Embryo Transfer cycles by comparing with the results of patients with untreated endometriomas and tubal factor without underlying endometriosis confirmed by laparoscopy. For this purpose, between 2002 and 2015, outcomes of 257 ICSI cycles of 150 patients, including 91 cycles of 48 patients in minimal endometriosis, 57 cycles of 25 patients in endometrioma removal, 65 cycles of 53 patients in non-operated endometrioma, and 44 cycles of 24 patients in tubal factor groups were retrospectively analyzed...
June 13, 2017: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/28607282/laparoendoscopic-single-site-adnexal-surgery-preliminary-indian-experience
#18
Smitha Balusamy, Hrishikesh P Salgaonkar, Ramya Ranjan Behera, Ashwini Bhalerao-Gandhi, Deepraj S Bhandarkar
INTRODUCTION: Laparoendoscopic single-site surgery (LESS) is an emerging technique in gynaecology. The proposed advantages of the LESS include better cosmesis and reduction in pain. We report our preliminary experience with LESS in the treatment of adnexal pathology. MATERIALS AND METHODS: After a preoperative workup, LESS was offered to 37 patients between July 2009 and April 2015. All the procedures were carried out through a 2-2.5 cm transumbilical incision using conventional laparoscopic instruments...
July 2017: Journal of Minimal Access Surgery
https://www.readbyqxmd.com/read/28606454/high-oestradiol-concentration-after-ovarian-stimulation-is-associated-with-lower-maternal-serum-beta-hcg-concentration-and-neonatal-birth-weight
#19
Suying Liu, Yanping Kuang, Yu Wu, Yun Feng, Qifeng Lyu, Li Wang, Yijuan Sun, Xiaoxi Sun
In this retrospective study, the relationship between maternal serum oestradiol and progesterone levels after fresh embryo transfer or frozen embryo transfer (FET), and serum beta-HCG levels in early pregnancy and neonatal birth weight was examined. Included for analysis were 5643 conceived singletons: 2610 after FET and 3033 after fresh embryo transfer. Outcome measures included maternal serum oestradiol, progesterone, beta-HCG levels during the peri-implantation period, birth weight and small-for-gestational-age (SGA)...
May 22, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28606451/peak-serum-estradiol-level-during-controlled-ovarian-stimulation-is-not-associated-with-lower-levels-of-pregnancy-associated-plasma-protein-a-or-small-for-gestational-age-infants-a-cohort-study
#20
Caitlin Dunne, Kristy Cho, Angel Shan, Jennifer Hutcheon, Ursula Smith Durland, Ken Seethram, Jon C Havelock
OBJECTIVE: During controlled ovarian stimulation in IVF, supraphysiologic levels of estradiol (E2) have been associated with poor placentation and adverse pregnancy outcomes. This study aimed to investigate whether high peak E2 on the day of human chorionic gonadotropin trigger is associated with low pregnancy-associated plasma protein-A (PAPP-A) and adverse perinatal outcomes. METHODS: We performed a retrospective cohort study at a private, university-affiliated fertility centre in Vancouver, BC...
June 9, 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
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