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https://www.readbyqxmd.com/read/28938736/deep-sequencing-shows-that-oocytes-are-not-prone-to-accumulate-mtdna-heteroplasmic-mutations-during-ovarian-ageing
#1
L Boucret, C Bris, V Seegers, D Goudenège, V Desquiret-Dumas, M Domin-Bernhard, V Ferré-L'Hotellier, P E Bouet, P Descamps, P Reynier, V Procaccio, P May-Panloup
STUDY QUESTION: Does ovarian ageing increase the number of heteroplasmic mitochondrial DNA (mtDNA) point mutations in oocytes? SUMMARY ANSWER: Our results suggest that oocytes are not subject to the accumulation of mtDNA point mutations during ovarian ageing. WHAT IS KNOWN ALREADY: Ageing is associated with the alteration of mtDNA integrity in various tissues. Primary oocytes, present in the ovary since embryonic life, may accumulate mtDNA mutations during the process of ovarian ageing...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938425/linking-stress-and-infertility-a-novel-role-for-ghrelin
#2
Luba Sominsky, Deborah M Hodgson, Eileen A McLaughlin, Roger Smith, Hannah M Wall, Sarah J Spencer
Infertility affects a remarkable one in four couples in developing countries. Psychological stress is a ubiquitous facet of life, and while stress affects us all at some point, prolonged or unmanageable stress may become harmful for some individuals, negatively impacting on their health, including fertility. For instance, women who struggle to conceive are twice as likely to suffer from emotional distress than fertile women. Assisted reproductive technology treatments place an additional physical, emotional and financial burden of stress, particularly on women, who are often exposed to invasive techniques associated with treatment...
July 27, 2017: Endocrine Reviews
https://www.readbyqxmd.com/read/28932299/the-outcome-of-assisted-reproductive-techniques-among-couples-with-male-factors-at-prince-khalid-bin-sultan-fertility-centre-kingdom-of-saudi-arabia
#3
Hytham Bahaeldin Mukhtar, Amani Shaman, Hyder Osman Mirghani, Ayman Adnan Almasalmah
BACKGROUND: Thirty-three percent of infertility due to paternal factors, there are an increasing proportion of couples who decide to conceive by assisted reproductive techniques (ART). The outcome prediction is pivotal for decision making. AIM: We aimed to study the pregnancy outcomes of different ART with male factors infertility. METHODS: This is retrospective cross-sectional study conducted at Tabuk, Kingdom of Saudi Arabia. One hundred fifteen patients' records reviewed using a structured checklist to collect demographic data, sperm (concentration, motility, and morphology)...
August 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28927307/biological-therapy-for-non-obstructive-azoospermia
#4
Sarah C Vij, Edmund Sabanegh, Ashok Agarwal
Most male patients with non-obstructive azoospermia (NOA) have no therapeutic options outside of assisted reproductive techniques to conceive a biological child. If mature sperm cannot be obtained from the testes, these patients must rely on options of donor sperm or adoption. Several techniques are in the experimental stage to provide this patient population alternatives for conceiving. Areas covered: This review discusses three of the experimental techniques for restoring fertility in men with NOA: spermatogonial stem cell transplantation, the use of adult and embryonic stem cells to develop mature gametes and gene therapy...
September 19, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28923708/enhanced-in%C3%A2-vitro-maturation-of-canine-oocytes-by-oviduct-epithelial-cell-co-culture
#5
Jingu No, Minghui Zhao, Seunghoon Lee, Sun A Ock, Yoonseok Nam, Tai-Young Hur
Canine-assisted reproductive techniques have been successful for several years; however, the lack of an oocyte in vitro maturation system has limited their application. The aim of this study was to evaluate the effect of canine oviduct epithelial cells (cOECs) on canine oocyte maturation in vitro. Specifically, the method used for isolation of cOECs did not affect the expression of epithelial markers, E-cadherin and cytokeratin, on fresh, cultured and cryopreserved cells. Moreover, BrdU analysis showed that cOECs cultured in Medium 171 supplemented with mammary epithelial growth supplement were more proliferative than counterparts in advanced Dulbecco's modified Eagle medium or Medium 199...
September 6, 2017: Theriogenology
https://www.readbyqxmd.com/read/28920796/successful-laparoscopic-oviductal-artificial-insemination-in-the-clouded-leopard-neofelis-nebulosa-in-thailand
#6
Wanlaya Tipkantha, Paweena Thuwanut, Umaporn Maikeaw, Ampika Thongphakdee, Saifon Yapila, Sumate Kamolnorranath, Boripat Siriaroonrat, Pierre Comizzoli, Kaywalee Chatdarong
Captive breeding of clouded leopards (Neofelis nebulosa) is challenging because of mating incompatibility, high incidence of teratospermia in males, and inconsistent ovulation patterns in females. Assisted reproductive techniques, therefore, are necessary to overcome these issues and maintain the genetic diversity in the captive population. The objective was to use laparoscopic oviductal artificial insemination (AI) to breed genetically valuable females (n = 4; aged 4.5-5 yr) that were unsuccessfully paired...
September 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28916332/assessing-the-use-of-assisted-reproductive-technology-in-the-united-states-by-non-united-states-residents
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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