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Assisted reproduction technology

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https://www.readbyqxmd.com/read/29350315/revisiting-embryo-assisted-hatching-approaches-a-systematic-review-of-the-current-protocols
#1
REVIEW
Alessandra Alteri, Paola Viganò, Ahmad Abu Maizar, Luca Jovine, Elisa Giacomini, Patrizia Rubino
Zona pellucida (ZP) manipulation, termed "assisted hatching" (AH), has been introduced in order to favor embryo hatching and ultimately improve assisted reproductive technology success but with poor proofs of safety and biological plausibility. We herein provide a systematic review of clinical outcomes following the application of different methods of ZP manipulation on fresh or frozen/thawed embryos at different developmental stages in different groups of patients. Out of the 69 papers that compared the clinical outcomes deriving from hatched versus non-hatched embryos, only 11 considered blastocysts while the rest referred to cleavage stage embryos...
January 19, 2018: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/29345446/the-first-south-american-case-of-pre-implantation-genetic-diagnosis-to-select-compatible-embryo-for-cord-blood-transplantation-as-treatment-for-sickle-cell-anemia
#2
Ciro D Martinhago, Kalina Rn Endo, Mariana A Oliveira, Alex Mm Dias, Gislaine S Pereira, Augusto M Azzolini, Paula Rq Estrada, Caio G Bruzaca, Ana Carolina N Martinhago
Sickle cell anemia is an inherited systemic hemoglobinopathy that affects hemoglobin production in red blood cells, leading to early morbidity and mortality. It is caused by a homozygous nucleotide substitution (c.20A>T) in the β-globin gene (HBB) that changes a glutamic acid to a valine in the protein. We present a case report of a fertile couple, both carriers of the sickle cell anemia mutation, with one affected daughter. Six cycles of assisted reproductive techniques were performed, resulting in 53 embryos in cleavage stage...
January 18, 2018: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/29344044/ethical-challenges-of-embryo-donation-in-embryo-donors-and-recipients
#3
Mahboubeh Taebi, Reyhane Bahrami, Narges Bagheri-Lankarani, Mohsen Shahriari
Background: Embryo donation, as one of the novel assisted reproductive technologies (ART), has remained a controversial issue. This is due to this methods' need for individuals from outside the family circle. Their presence can cause many ethical issues and complicate the designing and planning of the embryo donation process. The present study was conducted with the aim to assess the ethical challenges of embryo donation from the view point of embryo donors and recipients. Material and Methods: This descriptive, cross-sectional study was conducted on 192 couples (96 embryo donators and 96 embryo recipients) referring to Isfahan Fertility and Infertility Center and Royan Institute, Iran...
January 2018: Iranian Journal of Nursing and Midwifery Research
https://www.readbyqxmd.com/read/29344039/the-effect-of-auriculotherapy-on-the-stress-and-the-outcomes-of-assistant-reproductive-technologies-in-infertile-women
#4
Mozhgan Saffari, Zahra Khashavi, Mahboubeh Valiani
Background: Infertility means failure to achieve pregnancy after one year of regular unprotected sexual intercourse. Infertile women may experience severe stress and depression. Numerous studies have indicated that auriculotherapy could reduce stress. Thus, the aim of the present study was to determine the effect of auriculotherapy on the stress and the outcome assisted reproductive technology in infertile women. Materials and Methods: The present study was a clinical trial that was conducted on 56 infertile women aged 20-45, who were assigned into two groups of intervention and control, from November 2014 to November 2015...
January 2018: Iranian Journal of Nursing and Midwifery Research
https://www.readbyqxmd.com/read/29343272/biotechnologies-that-empower-transgender-persons-to-self-actualize-as-individuals-partners-spouses-and-parents-are-defining-new-ways-to-conceive-a-child-psychological-considerations-and-ethical-issues
#5
REVIEW
Agnès Condat, Nicolas Mendes, Véronique Drouineaud, Nouria Gründler, Chrystelle Lagrange, Colette Chiland, Jean-Philippe Wolf, François Ansermet, David Cohen
Today, thanks to biomedical technologies advances, some persons with fertility issues can conceive. Transgender persons benefit also from these advances and can not only actualize their self-identified sexual identities but also experience parenthood. Based on clinical multidisciplinary seminars that gathered child psychiatrists and psychoanalysts interested in the fields of assisted reproduction technology (ART) and gender dysphoria, philosophers interested in bioethics, biologists interested in ART, and endocrinologists interested in pubertal suppression, we explore how new biotechnical advances, whether in gender transition or procreation, could create new ways to conceive a child possible...
January 17, 2018: Philosophy, Ethics, and Humanities in Medicine: PEHM
https://www.readbyqxmd.com/read/29339137/oxygen-induced-alterations-in-the-expression-of-chromatin-modifying-enzymes-and-the-transcriptional-regulation-of-imprinted-genes
#6
William M Skiles, Avery Kester, Jane H Pryor, Mark E Westhusin, Michael C Golding, Charles R Long
Embryo culture and assisted reproductive technologies have been associated with a disproportionately high number of epigenetic abnormalities in the resulting offspring. However, the mechanisms by which these techniques influence the epigenome remain poorly defined. In this study, we evaluated the capacity of oxygen concentration to influence the transcriptional control of a selection of key enzymes regulating chromatin structure. In mouse embryonic stem cells, oxygen concentrations modulated the transcriptional regulation of the TET family of enzymes, as well as the de novo methyltransferase Dnmt3a...
January 12, 2018: Gene Expression Patterns: GEP
https://www.readbyqxmd.com/read/29338855/vitrified-blastocyst-transfer-cycles-with-the-use-of-only-vaginal-progesterone-replacement-with-endometrin-have-inferior-ongoing-pregnancy-rates-results-from-the-planned-interim-analysis-of-a-three-arm-randomized-controlled-noninferiority-trial
#7
Kate Devine, Kevin S Richter, Eric A Widra, Jeffrey L McKeeby
OBJECTIVE: To assess the noninferiority of vaginal P (Endometrin) compared with daily intramuscular P for replacement in programmed vitrified-warmed blastocyst transfer cycles and to assess the noninferiority of vaginal P in combination with intramuscular progesterone every third day compared with daily intramuscular P. DESIGN: Three-arm randomized controlled noninferiority study. To enable early recognition of inferiority if present, an a priori interim analysis was planned and completed once ongoing pregnancy data were available for 50% of the total enrollment goal...
January 12, 2018: Fertility and Sterility
https://www.readbyqxmd.com/read/29336995/a-search-for-molecular-mechanisms-underlying-male-idiopathic-infertility
#8
REVIEW
An Bracke, Kris Peeters, Usha Punjabi, David Hoogewijs, Sylvia Dewilde
Infertility affects approximately 15% of the couples wanting to conceive. In 30 - 40% of the cases the aetiology of male infertility remains unknown and is called idiopathic male infertility. When assisted reproductive technologies are used to obtain pregnancy, an adequate (epi)genetic diagnosis of male infertility is of major importance to evaluate if a genetic abnormality will be transmitted to the offspring. In addition, there is need for better diagnostic seminal biomarkers to assess the success rates of these assisted reproductive technologies...
December 27, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/29335009/isolated-follicle-stimulated-hormone-deficiency-in-male-case-report
#9
Gowri M Ratnayake, P N Weerathunga, L P Ruwanpura, Amila Wickramasinghe, Prasad Katulanda
BACKGROUND: Recent rapid advances in assisted reproductive health technologies enables couples with subfertility to conceive through various intervention. Majority of treatment modalities target the female partner. However it is important to identify and treat male factor subfertility right at the outset. We report a case of isolated follicle stimulating hormone deficiency resulting in azoospermia and primary subfertility. CASE PRESENTATION: A 28 year otherwise healthy male presented with primary subfertility with a healthy female counterpart...
January 15, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29334209/comparison-of-the-effects-of-vitrification-on-gene-expression-of-mature-mouse-oocytes-using-cryotop-and-open-pulled-straw
#10
Fardin Amidi, Zahra Khodabandeh, Mohamad Hossain Nori Mogahi
Background: Oocyte cryopreservation is an essential part of the assisted reproductive technology (ART), which was recently introduced into clinical practice. This study aimed to evaluate the effects of two vitrification systems-Cryotop and Open Pulled Straw (OPS)-on mature oocytes gene expressions. MATERIALS AND METHODS: In this experimental study, the survival rate of metaphase II (MII) mouse oocytes were assessed after cryopreservation by vitrification via i. OPS or ii...
April 2018: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/29334203/modeling-in-vitro-fertilization-data-considering-multiple-outcomes-observed-among-iranian-infertile-women
#11
Azadeh Ghaheri, Aliakbar Rasekhi, Reza Omani Samani, Ebrahim Hajizadeh
Background: Women undergoing in vitro fertilization (IVF) cycles should successfully go through multiple points during the procedure (i.e., implantation, clinical pregnancy, no spontaneous abortion and delivery) to achieve live births. In this study, data from multiple cycles and multiple points during the IVF cycle are collected for each individual to model the effects of factors associated with success at different stages of IVF cycles in Iranian infertile women. MATERIALS AND METHODS: This historical cohort study includes 996 assisted reproductive technology (ART) cycles of 511 infertile women...
April 2018: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/29334202/lifestyle-related-factors-associated-with-reproductive-health-in-couples-seeking-fertility-treatments-results-of-a-pilot-study
#12
Marie-Lou Piché, Véronique Babineau, Julie Robitaille, Émilie Lachance, Stephanie-May Ruchat
Background: The objective of this pilot study was to evaluate the feasibility of conducting a larger prospective cohort study, which will aim at determining the independent contribution of male and female lifestyle-related factors to assisted reproductive technology (ART) success. The study also examined whether couples seeking fertility treatments present lifestyle-related factors that may interfere with their reproductive health. MATERIALS AND METHODS: This prospective pilot study was conducted in a fertility clinic between May 2015 and February 2016...
April 2018: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/29331235/antim%C3%A3-llerian-hormone-as-a-predictor-of-live-birth-following-assisted-reproduction-an-analysis-of-85-062-fresh-and-thawed-cycles-from-the-society-for-assisted-reproductive-technology-clinic-outcome-reporting-system-database-for-2012-2013
#13
Reshef Tal, David B Seifer, Ethan Wantman, Valerie Baker, Oded Tal
OBJECTIVE: To determine if serum antimüllerian hormone (AMH) is associated with and/or predictive of live birth assisted reproductive technology (ART) outcomes. DESIGN: Retrospective analysis of Society for Assisted Reproductive Technology Clinic Outcome Reporting System database from 2012 to 2013. SETTING: Not applicable. PATIENT(S): A total of 69,336 (81.8%) fresh and 15,458 (18.2%) frozen embryo transfer (FET) cycles with AMH values...
January 11, 2018: Fertility and Sterility
https://www.readbyqxmd.com/read/29325879/ovarian-control-and-monitoring-in-amphibians
#14
N E Calatayud, M Stoops, B S Durrant
Amphibian evolution spans over 350 million years ago, consequently this taxonomic group displays a wide, complex array of physiological adaptations and their diverse modes of reproduction are a prime example. Reproduction can be affected by taxonomy, geographic and altitudinal distribution, and environmental factors. With some exceptions, amphibians can be categorized into discontinuous (strictly seasonal) and continuous breeders. Temperature and its close association with other proximate and genetic factors control reproduction via a tight relationship with circadian rhythms which drive genetic and hormonal responses to the environment...
December 8, 2017: Theriogenology
https://www.readbyqxmd.com/read/29324602/antecedents-of-abnormally-invasive-placenta-in-primiparous-women-risk-associated-with-gynecologic-procedures
#15
Heather J Baldwin, Jillian A Patterson, Tanya A Nippita, Siranda Torvaldsen, Ibinabo Ibiebele, Judy M Simpson, Jane B Ford
OBJECTIVE: To evaluate the association between prior invasive gynecologic procedures and the risk of subsequent abnormally invasive placenta (ie, placenta accreta, increta, and percreta). METHODS: We conducted a population-based data linkage study including all primiparous women who delivered in New South Wales, Australia, between 2003 and 2012. Data were obtained from linked birth and hospital admissions with a minimum lookback period of 2 years. Prior procedures invasive of the uterus were considered including gynecologic laparoscopy with instrumentation of the uterus; hysteroscopy, including operative hysteroscopy; curettage, including suction curettage and surgical termination; and endometrial ablation...
January 9, 2018: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29324596/preterm-delivery-and-low-birth-weight-among-neonates-conceived-with-intracytoplasmic-sperm-injection-compared-with-conventional-in-vitro-fertilization
#16
Sanaz Keyhan, Tracy Truong, Yi-Ju Li, Tia Jackson-Bey, Jennifer L Eaton
OBJECTIVE: To examine the prevalence of prematurity and low birth weight (LBW) among singletons conceived with intracytoplasmic sperm injection (ICSI) compared with those conceived with conventional in vitro fertilization (IVF). METHODS: Using the Society for Assisted Reproductive Technology Clinic Outcomes Reporting System, we conducted a retrospective cohort study of women undergoing a first, fresh autologous ICSI or conventional IVF cycle from 2004 to 2013. Singleton live births were included in the analysis...
January 9, 2018: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29324534/reproductive-outcomes-after-gestational-trophoblastic-neoplasia-a-comparison-between-single-agent-and-multiagent-chemotherapy-retrospective-analysis-from-the-mito-9-group
#17
Raffaella Cioffi, Alice Bergamini, Angiolo Gadducci, Gennaro Cormio, Veronica Giorgione, Micaela Petrone, Emanuela Rabaiotti, Francesca Pella, Massimo Candiani, Giorgia Mangili
OBJECTIVES: Gestational trophoblastic neoplasia affects women of reproductive age and is usually treated by chemotherapy. Major concerns related to chemotherapy in young women are the possible infertility, risk of early menopause, and teratogenic effects on subsequent pregnancies. The study's aim was to analyze menstrual and reproductive outcomes of women treated with single-agent versus multiagent chemotherapy for gestational trophoblastic neoplasia. METHODS: One-hundred fifty-one patients were treated...
January 10, 2018: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29318510/racial-and-ethnic-differences-in-pregnancy-rates-following-intrauterine-insemination-with-a-focus-on-american-indians
#18
LaTasha B Craig, Elizabeth A Weedin, William D Walker, Amanda E Janitz, Karl R Hansen, Jennifer D Peck
BACKGROUND: No research exists on American Indian pregnancy rates following infertility treatment. Most racial/ethnic fertility research has focused on pregnancy following in vitro fertilization, with only rare studies looking at intrauterine insemination (IUI). The objective of our study was to compare fecundability following IUI by race/ethnicity, with a special focus on American Indians. METHODS: This was a retrospective analysis of subjects undergoing IUI July 2007-May 2012 at a university-based infertility clinic...
January 9, 2018: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/29315321/inner-cell-mass-incarceration-in-8-shaped-blastocysts-does-not-increase-monozygotic-twinning-in-preimplantation-genetic-diagnosis-and-screening-patients
#19
Yi-Fan Gu, Qin-Wei Zhou, Shuo-Ping Zhang, Chang-Fu Lu, Fei Gong, Yue-Qiu Tan, Guang-Xiu Lu, Ge Lin
BACKGROUND: The use of assisted reproductive technology (ART) has been reported to increase the incidence of monozygotic twinning (MZT) compared with the incidence following natural conception. It has been hypothesized that splitting of the inner cell mass (ICM) through a small zona hole may result in MZT. In this study, using a cohort of patients undergoing preimplantation genetic diagnosis/screening (PGD/PGS), we compared the clinical and neonatal outcomes of human 8-shaped blastocysts hatching with ICM incarceration with partially or fully hatched blastocysts, and attempted to verify whether this phenomenon increases the incidence of MZT pregnancy or negatively impact newborns...
2018: PloS One
https://www.readbyqxmd.com/read/29315172/fertility-preservation-services-for-women-with-newly-diagnosed-cancer-a-national-assessment
#20
William D Winkelman, Mitchell P Rosen, Evelyn Mok-Lin
OBJECTIVE: To study the resources available for cancer patients once referred for fertility preservation. MATERIALS AND METHODS: Cross-sectional study clinics that are members of the Society for Assisted Reproductive Technology assess support for fertility preservation. RESULTS: Surveys were distributed to a total of 1135 members at 394 Society for Assisted Reproductive Technology clinics. Responses were received from 99 individuals representing a total of 84 unique clinics (21...
January 8, 2018: American Journal of Clinical Oncology
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