Results 21 to 30 of about 85,459 (312)
Cryopreservation of equine oocytes: looking into the crystal ball [PDF]
, 2020 In vitro embryo production has evolved rapidly in the horse over the past decade, but blastocyst rates from vitrified equine oocytes remain quite poor and further research is needed to warrant application.
Angel Velez, Daniel +4 more
core +2 more sources
Journal of Animal Science and Technology, 2023 This study aimed to assess the effects of embryonic developmental stage, quality grade, and fresh or frozen/thawed conditions on the pregnancy rate and sex ratio of live offspring in Hanwoo (Bos taurus coreanae) cows.
Jihyun Park +6 more
doaj +1 more source
Frontiers in Cell and Developmental Biology, 2022 Background: The availability and use of frozen–thawed embryos after controlled ovarian hyperstimulation for assisted reproduction have increased with improvements in vitrification techniques and the rise of gonadotropin-releasing hormone (GnRH ...
Li Fan +6 more
doaj +1 more source
Administration of human chorionic gonadotropin at embryo transfer induced ovulation of a first-wave dominant follicle and increased progesterone and transfer pregnancy rates [PDF]
, 2011 Beef Cattle Research, 2011 is known as Cattlemen’s Day, 2011Embryo transfer (ET) has become more widespread in recent years as a way to improve cattle genetics.
Breiner, C.A. +6 more
core +2 more sources
In vitro and in vivo development of mice morulae after storage in non-frozen conditions [PDF]
, 2012 Background Interchange of genetically modified (GM) mice between laboratories using embryos provides several advantages. Not only is transport stress avoided, but also the health status of the recipient colony is not compromised.
Dios Hourcade, Juan de +4 more
core +1 more source
The factors affecting the outcome of frozen–thawed embryo transfer cycle
Taiwanese Journal of Obstetrics & Gynecology, 2011 Objective: To determine the impact of the clinical and embryological factors on the pregnancy outcome of frozen–thawed embryo transfer. Materials and Methods: The data of 247 frozen–thawed embryo transfer cycles were assessed at Royan Institute from ...
Mahnaz Ashrafi +4 more
doaj +1 more source
Comparison of Pregnancy Rate and Effective Factors following Fresh and Frozen Embryo Transfer in Women undergoing Assisted Reproductive Techniques (ART) [PDF]
Majallah-i Zanān, Māmā̓ī va Nāzā̓ī-i Īrān, 2017 Introduction: Embryo cryopreservation is potentially the best method to increase pregnancy rate for the women at risk of OHSS (Ovarian Hyper stimulation Syndrome) and the women at risk of losing ovarian function.
Ezzat Shabani +2 more
doaj +1 more source
Reproductive Medicine and Biology, 2019 Purpose To demonstrate the benefits of the freeze‐all strategy for in vitro fertilization treatment based on retrospective analyses. Methods Post‐thaw embryo survival rates of slow‐frozen embryos in 294 cycles and vitrified embryos in 12 195 cycles were ...
Yoshimasa Asada +5 more
doaj +1 more source
BMC Pregnancy and Childbirth, 2022 Background This study aimed to explore the incidence and influencing factors for early pregnancy loss (EPL) in infertility patients with first pregnancy undergoing in vitro fertilization (IVF) embryo transfer cycles in Jilin province, China.
Mohan Wang +6 more
doaj +1 more source
Maternal plasma DHA levels increase prior to 29 days post-LH surge in women undergoing frozen embryo transfer: a prospective, observational study of human pregnancy [PDF]
, 2016 Context: Docosahexaenoic acid (DHA) is an important fatty acid required for neurological development but its importance during early fetal neurological organogenesis is unknown.
Brown, E. Ann +9 more
core +1 more source