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Assisted reproduction technology

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https://www.readbyqxmd.com/read/28203717/assisted-reproductive-technologies-in-the-common-marmoset-an-integral-species-for-developing-nonhuman-primate-models-of-human-diseases%C3%A2
#1
Jenna Kropp, Andrea Di Marzo, Thaddeus Golos
No abstract text is available yet for this article.
February 1, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28203030/comment-by-the-board-of-the-german-ivf-register-on-the-article-the-german-ivf-register-as-an-instrument-to-document-assisted-reproductive-technologies-by-s-kadi-and-u-wiesing
#2
J-S Krüssel, A Tandler-Schneider, U Czeromin
No abstract text is available yet for this article.
June 2016: Geburtshilfe und Frauenheilkunde
https://www.readbyqxmd.com/read/28202187/male-factor-infertility-and-lack-of-openness-about-infertility-as-risk-factors-for-depressive-symptoms-in-males-undergoing-assisted-reproductive-technology-treatment%C3%A2-in-italy
#3
Alessandra Babore, Liborio Stuppia, Carmen Trumello, Carla Candelori, Ivana Antonucci
OBJECTIVE: To investigate the association between male factor infertility and openness to discussing assisted reproductive technology (ART) treatment with levels of depression among men undergoing infertility treatment. DESIGN: Cross-sectional. SETTING: Not applicable. PATIENT(S): Three hundred forty participants (170 men and their partners) undergoing ART treatments. INTERVENTION(S): Administration of a set of questionnaires...
February 12, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28194918/should-a-history-of-assisted-reproductive-technology-be-another-consideration-when-assessing-cardiovascular-risk
#4
Karen M Goldstein, Lisa S Callegari
No abstract text is available yet for this article.
February 2017: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/28191261/global-dna-methylation-levels-are-altered-by-modifiable-clinical-manipulations-in-assisted-reproductive-technologies
#5
Jayashri Ghosh, Christos Coutifaris, Carmen Sapienza, Monica Mainigi
BACKGROUND: We analyzed placental DNA methylation levels at repeated sequences (LINE1 elements) and all CCGG sites (the LUMA assay) to study the effect of modifiable clinical or laboratory procedures involved in in vitro fertilization. We included four potential modifiable factors: oxygen tension during embryo culture, fresh embryo transfer vs frozen embryo transfer, intracytoplasmic sperm injection (ICSI) vs conventional insemination or day 3 embryo transfer vs day 5 embryo transfer...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28187518/male-caffeine-and-alcohol-intake-in-relation-to-semen-parameters-and-in%C3%A2-vitro-fertilization-outcomes-among-fertility-patients
#6
A E Karmon, T L Toth, Y-H Chiu, A J Gaskins, C Tanrikut, D L Wright, R Hauser, J E Chavarro
Much of the literature on the impact of male caffeine and alcohol intake on reproductive outcomes has utilized semen quality as a proxy for male fertility, although semen parameters have a limited predictive value for spontaneous pregnancy. The objective of this study was to investigate whether male caffeine and alcohol intakes are associated with semen parameters and assisted reproductive technology outcome. The Environment and Reproductive Health Study, an ongoing prospective cohort study, enrolls subfertile couples presenting for treatment at an academic fertility center (2007-2012)...
February 10, 2017: Andrology
https://www.readbyqxmd.com/read/28187507/diagnostic-genetic-screening-for-assisted-reproductive-technologies-patients-with-macrozoospermia
#7
V Carmignac, J-M Dupont, R C Fierro, J Barberet, C Bruno, N Lieury, E Dulioust, J Auger, P Fauque
Macrozoospermia is characterized by a high proportion of abnormal spermatozoa with enlarged heads. So far, it has been associated with mutations only in the Aurora Kinase C gene (AURKC) in some cases. Although many publications have reported failure to conceive in couples with macrozoospermia, a few others have described successful pregnancies, thus raising questions as to whether ICSI and AURKC genetic screening should be recommended in all patients with macrozoospermia. First, we report on two monozygotic twins presenting macrozoospermia for whom the genetic status was explored (Aurora Kinase C sequencing) and whole semen and gradient-selected spermatozoa were analyzed, using Fluorescent In Situ Hybridization (FISH), Electron Microscopy and flow cytometry...
February 10, 2017: Andrology
https://www.readbyqxmd.com/read/28186620/an-update-on-the-diagnosis-surgical-management-and-fertility-outcomes-for-women-with-endometrioma
#8
Ryan Cranney, George Condous, Shannon Reid
Endometriosis is estimated to affect up to 50% of infertile women, and severity of endometriosis stage appears to correlate with reduced fertility. Ovarian endometrioma are found in up to 44% of women with endometriosis, and are significantly associated with the presence of pelvic deep infiltrating endometriosis, ovarian adhesions, and pouch of Douglas obliteration. Through the use of MEDLINE and PubMed databases, we conducted a literature review of all available research related to the diagnosis, surgical management and fertility outcomes for women with endometrioma...
February 10, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28186187/factors-associated-with-aberrant-imprint-methylation-and-oligozoospermia
#9
Norio Kobayashi, Naoko Miyauchi, Nozomi Tatsuta, Akane Kitamura, Hiroaki Okae, Hitoshi Hiura, Akiko Sato, Takafumi Utsunomiya, Nobuo Yaegashi, Kunihiko Nakai, Takahiro Arima
Disturbingly, the number of patients with oligozoospermia (low sperm count) has been gradually increasing in industrialized countries. Epigenetic alterations are believed to be involved in this condition. Recent studies have clarified that intrinsic and extrinsic factors can induce epigenetic transgenerational phenotypes through apparent reprogramming of the male germ line. Here we examined DNA methylation levels of 22 human imprinted loci in a total of 221 purified sperm samples from infertile couples and found methylation alterations in 24...
February 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28182605/assisted-reproductive-technology-surveillance-united-states-2014
#10
Saswati Sunderam, Dmitry M Kissin, Sara B Crawford, Suzanne G Folger, Denise J Jamieson, Lee Warner, Wanda D Barfield
PROBLEM/CONDITION: Since the first U.S. infant conceived with assisted reproductive technology (ART) was born in 1981, both the use of ART and the number of fertility clinics providing ART services have increased steadily in the United States. ART includes fertility treatments in which eggs or embryos are handled in the laboratory (i.e., in vitro fertilization [IVF] and related procedures). Women who undergo ART procedures are more likely than women who conceive naturally to deliver multiple-birth infants...
February 10, 2017: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/28178941/implications-of-human-evolution-and-admixture-for-mitochondrial-replacement-therapy
#11
Lavanya Rishishwar, I King Jordan
BACKGROUND: Mitochondrial replacement (MR) therapy is a new assisted reproductive technology that allows women with mitochondrial disorders to give birth to healthy children by combining their nuclei with mitochondria from unaffected egg donors. Evolutionary biologists have raised concerns about the safety of MR therapy based on the extent to which nuclear and mitochondrial genomes are observed to co-evolve within natural populations, i.e. the nuclear-mitochondrial mismatch hypothesis...
February 8, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28176163/retrospective-analysis-of-55-twin-neonates-with-haemolytic-disease-of-the-newborn
#12
Hu Zhao, Bijuan Li, Ning Li, Yamei Shen, Kailiang Liu, Xiangwu Shu, Cheng Mei, Lanlan Tang
Haemolytic disease is a condition characterized by anaemia and jaundice, and the course may be more complicated in twins. We investigated the demographic and laboratory characteristics of twins with haemolytic disease of the newborn (HDN) and compared these characteristics between groups categorized according to multiple birth status (twins vs. singletons) and conception method (assisted reproductive technology (ART) vs. spontaneous conception). Fifty-five twins with HDN and 253 singletons with HDN who were born during the same period (controls) were included in the study, and we performed comparisons between them...
February 8, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28173814/the-human-oocyte-preservation-experience-hope-registry-evaluation-of-cryopreservation-techniques-and-oocyte-source-on-outcomes
#13
Zsolt Peter Nagy, Robert E Anderson, Eve C Feinberg, Brooke Hayward, Mary C Mahony
BACKGROUND: This prospective, Phase IV, multicenter, observational registry of assisted reproductive technology clinics in the USA studied outcomes of first cycles using thawed/warmed cryopreserved (by slow-freezing/vitrification) oocytes (autologous or donor). METHODS: Patients were followed up through implantation, clinical pregnancy, and birth outcomes. The main outcome measure was live birth rate (LBR), defined as the ratio of live births to oocytes thawed/warmed minus the number of embryos cryopreserved for each cycle, averaged over all thawing cycles...
February 7, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/28166976/biopsy-of-bovine-embryos-produced-in%C3%A2-vivo-and-in%C3%A2-vitro-does-not-affect-pregnancy-rates
#14
Regivaldo Vieira de Sousa, Célia Regina da Silva Cardoso, Guilberth Butzke, Margot Alves Nunes Dode, Rodolfo Rumpf, Maurício Machaim Franco
Assisted reproductive techniques have significantly contributed to animal breeding programs. Similarly, genomics has provided important information and tools to improve the accuracy of selection. However, the greatest benefits of those tools can only be expected when they are combined, allowing animals to be selected accurately early in life. Therefore, obtaining DNA samples from embryos without compromising their viability is essential for the consolidation of preimplantation genomic selection. We aimed to evaluate the effect on the gestation rate of conducting a biopsy of in vivo (VV) and in vitro-produced (IVP) bovine embryos...
March 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28165183/assisted-reproductive-technologies-an-additional-risk-factor-for-severe-postpartum-haemorrhage
#15
A Mehrabadi
No abstract text is available yet for this article.
February 6, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28160403/the-utility-of-alpha-fetoprotein-screening-in-beckwith-wiedemann-syndrome
#16
Kelly A Duffy, Matthew A Deardorff, Jennifer M Kalish
Beckwith-Wiedemann syndrome (BWS) is one of the most common cancer predisposition disorders. As a result, BWS patients receive tumor screening as part of their clinical management. Until recently, this screening has been employed uniformly across all genetic and epigenetic causes of BWS, including the utilization of ultrasonography to detect abdominal tumors and alpha-fetoprotein (AFP) to detect hepatoblastoma. The advancements in our understanding of the genetics and epigenetics leading to BWS has evolved over time, and has led to the development of genotype/phenotype correlations...
February 4, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28160207/impact-of-prolonged-oocyte-incubation-time-before-vitrification-on-oocyte-survival-embryo-formation-and-embryo-quality-in-mice
#17
Azade Karami, Mitra Bakhtiari, Mehri Azadbakht, Rostam Ghorbani, Mozafar Khazaei, Mansour Rezaei
Oocyte incubation time before freezing is one of the factors affecting oocyte vitrification. In the assisted reproductive technology (ART) clinics, it is sometimes decided to perform oocyte vitrification after a long period of incubation time due to various conditions, such as inability to collect semen samples, unsuccessful urological interventions (PESA, TESE, etc.), or unexpected conditions. A time factor of up to 6 h has been studied in the available reports. Therefore, this study was designed to evaluate oocyte incubation time before freezing at 0, 6, 12, 18, and 24 h after retrieval...
February 3, 2017: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/28153493/cyp2c76-deficiency-is-embryonic-lethal-in-cynomolgus-macaques-the-potential-role-of-cyp2c76-in-early-embryogenesis
#18
Shuzo Koyama, Koji Fukuda, Sho Watanabe, Akinori Matsushita, Hideaki Tsuchiya, Nahoko Fujinami, Sakae Kohara, Norie Murayama, Masashi Nagano, Hiroshi Yamazaki, Koichiro Fukuzaki, Yasuhiro Uno, Yoshihiko Hosoi
Cynomolgus macaques are an important primate species for drug metabolism studies; however cynomolgus CYP2C76, an important drug-metabolizing enzyme, accounts for drug metabolism differences to humans, so that CYP2C76-null animals might show drug-metabolizing properties more similar to humans. In this study, attempts were made to produce CYP2C76-null animals by assisted reproduction technology. Oocytes and sperm collected from the heterozygotes for the null allele (c.449TG > A) were subjected to intracytoplasmic sperm injection, and the embryos produced were cultured in vitro through the blastocyst stage...
October 27, 2016: Drug Metabolism and Pharmacokinetics
https://www.readbyqxmd.com/read/28148237/morbidity-and-mortality-among-very-preterm-singletons-following-fertility-treatment-in-australia-and-new-zealand-a-population-cohort-study
#19
Alex Y Wang, Abrar A Chughtai, Kei Lui, Elizabeth A Sullivan
BACKGROUND: Due to high rates of multiple birth and preterm birth following fertility treatment, the rates of mortality and morbidity among births following fertility treatment were higher than those conceived spontaneously. However, it is unclear whether the rates of adverse neonatal outcomes remain higher for very preterm (<32 weeks gestational age) singletons born after fertility treatment. This study aims to compare adverse neonatal outcomes among very preterm singletons born after fertility treatment including assisted reproductive technology (ART) hyper-ovulution (HO) and artificial insemination (AI) to those following spontaneous conception...
February 2, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28140682/patient-evaluation-of-the-redesigned-follitropin-alfa-pen-injector
#20
Joan Schertz, Hilary Worton
OBJECTIVES: We aimed to evaluate the overall impressions of learning and subsequent use of the redesigned GONAL-f® (follitropin alfa) pen injector by women with recent or current infertility requiring assisted reproductive technologies (ART) or in vitro fertilization (IVF). METHODS: This was a simulated-use study including 86 women with infertility and 30 fertility nurses. Nurses trained the women on the use of the redesigned pen. The opinions of the women on the pen injector were collected during a questionnaire interview...
January 31, 2017: Expert Opinion on Drug Delivery
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