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assisted reproduction techniques

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https://www.readbyqxmd.com/read/28916332/assessing-the-use-of-assisted-reproductive-technology-in-the-united-states-by-non-united-states-residents
#1
Aaron D Levine, Sheree L Boulet, Roberta M Berry, Denise J Jamieson, Hillary B Alberta-Sherer, Dmitry M Kissin
OBJECTIVE: To study cross-border reproductive care (CBRC) by assessing the frequency and nature of assisted reproductive technology (ART) care that non-U.S. residents receive in the United States. DESIGN: Retrospective study of ART cycles reported to the Centers for Disease Control and Prevention's National ART Surveillance System (NASS) from 2006 to 2013. SETTING: Private and academic ART clinics. PATIENT(S): Patients who participated in ART cycles in the United States from 2006 to 2013...
August 31, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28904906/a-step-by-step-guide-to-office-based-sperm-retrieval-for-obstructive-azoospermia
#2
REVIEW
Robert M Coward, Jesse N Mills
A variety of surgical options exists for sperm retrieval in the setting of obstructive azoospermia (OA). With appropriate preparation, the majority of these techniques can safely be performed in the office with local anesthesia and with or without monitored anesthesia care (MAC). The available techniques include percutaneous options such as percutaneous epididymal sperm aspiration (PESA) and testicular sperm aspiration (TESA), as well as open techniques that include testicular sperm extraction (TESE) and microsurgical epididymal sperm aspiration (MESA)...
August 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28899594/delayed-detection-of-spontaneous-bilateral-tubal-ectopic-pregnancies-after-methotrexate-treatment
#3
Nicole E Brown, Shereen A Singer, Joe Suyama
BACKGROUND: Bilateral tubal ectopic pregnancies are a rare subset of ectopic pregnancy that can pose a diagnostic dilemma for clinicians. There is no distinct clinical presentation for bilateral tubal ectopic pregnancies, although they are typically associated with assistive reproductive techniques. In addition, there is no single diagnostic feature to help clinicians delineate bilateral tubal ectopic pregnancies from other types of ectopic pregnancy prior to passing the discriminatory zone (such as heterotopic pregnancy or twin ectopic [two gestational sacs in one tube])...
September 9, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28895055/maqasid-al-shariah-as-a-complementary-framework-for-conventional-bioethics-application-in-malaysian-assisted-reproductive-technology-art-fatwa
#4
Abdul Halim Ibrahim, Noor Naemah Abdul Rahman, Shaikh Mohd Saifuddeen
Rapid development in the area of assisted reproductive technology (ART), has benefited mankind by addressing reproductive problems. However, the emergence of new technologies and techniques raises various issues and discussions among physicians and the masses, especially on issues related to bioethics. Apart from solutions provided using conventional bioethics framework, solutions can also be derived via a complementary framework of bioethics based on the Higher Objectives of the Divine Law (Maqasid al-Shariah) in tackling these problems...
September 11, 2017: Science and Engineering Ethics
https://www.readbyqxmd.com/read/28893003/spectrum-of-mri-appearance-of-mayer-rokitansky-kuster-hauser-mrkh-syndrome-in-primary-amenorrhea-patients
#5
Deb Kumar Boruah, Shantiranjan Sanyal, Bidyut Bikash Gogoi, Kangkana Mahanta, Arjun Prakash, Antony Augustine, Sashidhar Achar, Hiranya Baishya
INTRODUCTION: Mayer-Rokitansky-Kuster-Hauser (MRKH) synd-rome is a malformation in female genital tract due to interrupted embryonic development of para-mesonephric ducts leading to uterine and proximal vagina aplasia or hypoplasia. AIM: To analyse the MRI findings in females suspected of MRKH syndrome in a primary amenorrhea workup. MATERIALS AND METHODS: A cross-sectional study comprising of 11 patients of MRKH syndrome presented in a tertiary care centre from March 2016 to February 2017 evaluated in 1...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28890894/risk-of-contamination-of-gametes-and-embryos-during-cryopreservation-and-measures-to-prevent-cross-contamination
#6
REVIEW
Daniel C Joaquim, Eduardo D Borges, Iara G R Viana, Paula A Navarro, Alessandra A Vireque
The introduction and widespread application of vitrification are one of the most important achievements in human assisted reproduction techniques (ART) of the past decade despite controversy and unclarified issues, mostly related to concerns about disease transmission. Guidance documents published by US Food and Drug Administration, which focused on the safety of tissue/organ donations during Zika virus spread in 2016, as well as some reports of virus, bacteria, and fungi survival to cryogenic temperatures, highlighted the need for a review of the way how potentially infectious material is handled and stored in ART-related procedures...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28868845/tehran-survey-of-potential-risk-factors-for-multiple-births
#7
Reza Omani Samani, Amir Almasi-Hashiani, Samira Vesali, Fatemeh Shokri, Rezvaneh Cheraghi, Farahnaz Torkestani, Mahdi Sepidarkish
Background: The multiple pregnancy incidence is increasing worldwide. This increased incidence is concerning to the health care system. This study aims to determine the frequency of multiple pregnancy and identify factors that affect this frequency in Tehran, Iran. MATERIALS AND METHODS: This cross-sectional study included 5170 mothers in labor between July 6-21, 2015 from 103 hospitals with Obstetrics and Gynecology Wards. The questionnaire used in this study consisted of five parts: demographic characteristics; information related to pregnancy; information related to the infant; information regarding the multiple pregnancy; and information associated with infertility...
October 2017: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/28868840/predicting-implantation-outcome-of-in-vitro-fertilization-and-intracytoplasmic-sperm-injection-using-data-mining-techniques
#8
Pegah Hafiz, Mohtaram Nematollahi, Reza Boostani, Bahia Namavar Jahromi
Background: In vitro fertilization (IVF) and intracytoplasmic sperm injection (ICSI) are two important subsets of the assisted reproductive techniques, used for the treatment of infertility. Predicting implantation outcome of IVF/ICSI or the chance of pregnancy is essential for infertile couples, since these treatments are complex and expensive with a low probability of conception. MATERIALS AND METHODS: In this cross-sectional study, the data of 486 patients were collected using census method...
October 2017: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/28865756/curvilinear-relationship-between-age-and-assisted-reproduction-technique-success-retrospective-analyses-of-us-national-art-surveillance-system-data-from-2010-2014
#9
Yalcin Yavas
In assisted reproduction technique cycles using fresh autologous embryos, the pattern by which outcomes per started cycle (live birth and clinical pregnancy) and per clinical pregnancy (live birth and miscarriage) change with age was determined. A dataset was created with 488,351 cycles. Success rates changed with age following well-fitted, ∩-shaped curvilinear (quadratic, cubic, quartic) regressions. These rates increased steadily from age <24-28 years (P = 0.001; P = 0.02; P = 0.04; respectively) with positive slopes (P ≤ 0...
August 15, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28865536/varicocelectomy-before-assisted-reproductive-technology-are-outcomes-improved
#10
REVIEW
Taylor P Kohn, Jaden R Kohn, Alexander W Pastuszak
Clinical varicoceles have been associated with impaired semen parameters and male-factor infertility. Varicocele repair can improve live birth rates for men with clinical varicocele. Varicocelectomy is often combined with assisted reproductive techniques (ART) such as intrauterine insemination (IUI), in vitro fertilization (IVF), or intracytoplasmic sperm injection (ICSI). Here we review the literature examining varicocelectomy before ART to evaluate whether improved pregnancy outcomes are realized. Although insufficient evidence exists to determine if correcting a varicocele improves IUI outcomes, a clinical benefit is observed when correcting a clinical varicocele in oligospermic and nonobstructed azoospermic men before IVF/ICSI...
September 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28864984/the-importance-of-the-periconception-period-immediate-effects-in-cattle-breeding-and-in-assisted-reproduction-such-as-artificial-insemination-and-embryo-transfer
#11
Mieke Van Eetvelde, Sonia Heras, J L M R Leroy, Ann Van Soom, Geert Opsomer
In livestock breeding, the successful outcome is largely depending on the "periconception environment" which, in a narrow sense, refers to the genital tract, where gametogenesis and embryogenesis occur. During these early stages of development, gametes and embryos are known to be particularly sensitive to alterations in their microenvironment. However, as the microenvironment somehow reflects what is going on in the external world, we must widen our definition of "periconception environment" and refer to all events taking place around the time of conception, including metabolic state and health and nutrition of the dam...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28854719/techniques-used-for-iui-is-it-time-for-a-change
#12
L Lemmens, S Kos, C Beijer, D D M Braat, W L D M Nelen, A M M Wetzels
STUDY QUESTION: Are the guidelines for the technical aspects of IUI (WHO, 2010) still in accordance with the current literature? SUMMARY ANSWER: In general, the laboratory guidelines of the World Health Organization (WHO) are a suitable protocol, although the evidence is not always conclusive and some changes are advisable. WHAT IS KNOWN ALREADY: Lack of standardization of the technical procedures required for IUI might result in inter-laboratory variation in pregnancy rates...
September 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28837037/fresh-embryos-versus-freeze-all-embryos-transfer-strategies-nuances-of-a-meta-analysis
#13
REVIEW
Felipe C Dieamant, Claudia G Petersen, Ana L Mauri, V Comar, Mariana Mattila, Laura D Vagnini, Adriana Renzi, Bruna Petersen, Andreia Nicoletti, João Batista A Oliveira, Ricardo Lr Baruffi, Jose G Franco
OBJECTIVE: The present meta-analysis aimed to evaluate whether the freeze-all strategy (Freeze/All-ET) could bring about improvements in the clinical assisted reproductive technique (ART) outcomes when compared with the fresh embryo transfer strategy (Fresh-ET) in patients undergoing an ART cycle in accordance with the mean number of oocytes collected. METHODS: A systematic review based on electronic searches in databases (PubMed, EMBASE, Web of Science, SCOPUS, and Cochrane Central Register of Controlled Trials) was carried out to identify randomized controlled trails (RCTs) comparing ART outcomes between fresh-embryo transfers versus elective frozen-embryo transfers up to February of 2017...
September 1, 2017: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/28837023/assisted-reproductive-techniques-in-latin-america-the-latin-american-registry-2014
#14
Fernando Zegers-Hochschild, Juan Enrique Schwarze, Javier A Crosby, Carolina Musri, Maria Teresa Urbina
Multinational data on assisted reproduction techniques undertaken in 2014 were collected from 159 institutions in 15 countries in Latin America. Treatments included IVF/ ICSI, FET, OD, PGD and fertility preservation (FP). 41.34% of IVF/ICSI cycles were performed in women aged 35 to 39 years and 23.35% in women aged 40 and older. After removing cases with total freezing, delivery rate per oocyte retrieval was 25.05% for ICSI and 27.41% for IVF. Multiple births included 20.78% twins and 0.92 % triplets and over...
September 1, 2017: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/28835940/pregnancy-outcome-of-delayed-start-gnrh-antagonist-protocol-versus-gnrh-antagonist-protocol-in-poor-responders-a-clinical-trial-study
#15
Abbas Aflatoonian, Aflatoonian Hosseinisadat, Ramesh Baradaran, Maryam Farid Mojtahedi
BACKGROUND: Management of poor-responding patients is still major challenge in assisted reproductive techniques (ART). Delayed-start GnRH antagonist protocol is recommended to these patients, but little is known in this regards. OBJECTIVE: The goal of this study was assessment of delayed-start GnRH antagonist protocol in poor responders, and in vitro fertilization (IVF) outcomes. MATERIALS AND METHODS: This randomized clinical trial included sixty infertile women with Bologna criteria for ovarian poor responders who were candidate for IVF...
April 2017: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/28821370/comparison-of-different-methods-of-semen-cryopreservation-in-melopsittacus-undulatus
#16
Andrea Dogliero, Mitzy Mauthe von Degerfeld, Ada Rota, Paola Pregel, Giuseppe Quaranta
Melopsittacus undulatus is largely used as a potential model for assisted reproduction in other endangered parrot species. Semen was collected from nineteen healthy adult males, by massage technique, during the breeding season. After preliminary evaluations through CASA analysis, eight birds were selected as semen donors and five ejaculates of each bird were utilized to evaluate the effect of 10% ethylene glycol (EG) addition, in two times, during 40min of equilibration time at 4°C, and to compare two programmable freezing curves (a rapid and a slow temperature descent rate) and freezing on nitrogen vapors...
October 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28815718/a-potential-high-risk-for-fatty-liver-disease-was-found-in-mice-generated-after-assisted-reproductive-techniques
#17
Leilei Gu, Jingjing Zhang, Meimei Zheng, Guoying Dong, Jingyi Xu, Wuyue Zhang, Yibo Wu, Yang Yang, Hui Zhu
Abnormal gametogenesis and embryonic development may lead to poor health status of the offspring. The operations involved in the assisted reproductive technologies (ARTs) occur during the key stage of gametogenesis and early embryonic development. To assess the potential risk of abnormal lipid metabolism in the liver of adult ARTs offspring, two ARTs mice models derived from preimplantation genetic diagnosis (PGD group) and in vitro cultured embryos without biopsy (IVEM group) were constructed. And control mice were from in vivo naturally conceived (Normal group)...
August 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28799634/effectiveness-of-highly-purified-urofollitropin-treatment-in-patients-with-idiopathic-azoospermia-before-testicular-sperm-extraction
#18
Andrea Cocci, Gianmartin Cito, Giorgio I Russo, Marco Falcone, Marco Capece, Massimiliano Timpano, Pier Andrea Della Camera, Simone Morselli, Giovanni Tasso, Girolamo Morelli, Giuseppe Morgia, Andrea Minervini, Sergio Serni, Marco Carini, Alessandro Natali, Mauro Gacci
INTRODUCTION: Recent evidences demonstrated that male factor alone is responsible for about 30% cases of infertility. Human follicle-stimulating hormone (hFSH) has been introduced to increase sperm concentration, spermatogonial population, or both natural or assisted pregnancy rates (PRs) in oligozoospermic subjects with normal concentrations of gonadotropins. METHODS: Fifty infertile men affected by idiopathic azoospermia were enrolled in this study, after undergoing medical history, physical and clinical examination, baseline semen parameters and hormonal plasma concentrations...
August 7, 2017: Urologia
https://www.readbyqxmd.com/read/28783590/vulvar-thermal-pattern-following-synchronization-of-estrus-is-linked-to-fertility-after-timed-artificial-insemination-in-goat
#19
Calogero Stelletta, Koray Tekin, Mehmet Borga Tirpan, Havva Alemdar, Beste Cil, Fatma Oztutar Stelletta, Kemal Tuna Olgac, Muhammed Enes Inanc, Ali Daskin
Aim of this study was to study the vulvar thermal pattern variation during the timed artificial insemination protocol in Angora goat and identify the relationship with the successful rate. Does (36 adult healthy females) were synchronized using PGF2α at the day 0, 11 days of progesterone impregnated sponges intra-vaginally, PMSG 48 h before sponges withdraw (day 11) and the intra-cervical inseminations were carried out 48 h later (Timed Artificial Insemination: TAI) with chilled semen. Vulvar (VST) and perivulvar (PST) areas were considered to evaluate the thermal pattern during the protocol at the day 0 and at the TAI using a thermo camera (E60, FLIR System)...
November 2017: Theriogenology
https://www.readbyqxmd.com/read/28782302/effect-of-in-vitro-selenium-supplementation-on-sperm-quality-in-asthenoteratozoospermic-men
#20
A A Ghafarizadeh, G Vaezi, M A Shariatzadeh, A A Malekirad
Sperm DNA damage, excessive oxidative stress and decrease in motility ‎may lead to low fertilisation or poor‎ assisted reproductive techniques outcomes in asthenoteratozoospermic ‎men. Selenium was considered as essential element for male reproductive functions. Selenium has important role in enzymatic process for elimination of excessive reactive oxygen species and helps to maintain membrane integrity. The aim of this study was to determine the effect of selenium supplementation on sperm quality, DNA fragmentation, mitochondrial membrane potential and membrane lipid peroxidation during sperm sampling in vitro at different times...
August 6, 2017: Andrologia
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