Results 31 to 40 of about 86,583 (358)

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., Breiner, Ryan M., Carter, J.A., Lamb, G.C., Spell, A.R., Stevenson, Jeffrey S., Wallace, L.D.   +6 more
core   +2 more sources

Association Between Fresh Embryo Transfers and Frozen–Thawed Embryo Transfers Regarding Live Birth Rates Among Women Undergoing Long Gonadotropin-Releasing Hormone Antagonist Protocols

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, Ni Tang, Chunling Yao, Xiaohua Wei, Yongmei Tang, Jingjing Li, Wenjie Huang   +6 more
doaj   +1 more source

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, Gutiérrez-Adán, Alfonso, Pintado, Belén, Pérez-Crespo, Miriam, Serrano, Alfredo   +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, Nadia Jahangiri, Fatemeh Hassani, Mohammad Reza Akhoond, Tahereh Madani   +4 more
doaj   +1 more source

Neoplastic transformation of mouse C3H 10T1/2 and Syrian hamster embryo cells by heavy ions [PDF]

, 1989
C3H 10T1/2 mouse-embryo fibroblasts were used for transformation experiments to study the effectiveness of various heavy ions with energies up to 20 MeV/u and LET values from 170 to 16.000 keV/μm.
A.M. Kellerer, Balcer-Kubiczek, Barendsen, Borek, Borek, Chomczynski, G. Ponsel, Hall, Han, Han, Hieber, Hill, K. Trutschler, Kraft, L. Hieber, Lloyd, Miller, Miller, Reznikoff, Robertson, S. Fenn, Schaeffer, Terzaghi, Wulf, Yang   +24 more
core   +1 more source

Long‐term outcomes of freeze‐all strategy: A retrospective analysis from a single ART center in Japan

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, Mikiko Tokoro, Megumi Sonohara, Noritaka Fukunaga, Yukio Hattori, Yoshiki Hashiba   +5 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, Nayereh Khadem, Mohamad Taghi Shakeri   +2 more
doaj   +1 more source

Live birth after fresh versus frozen single blastocyst transfer (Frefro-blastocyst): study protocol for a randomized controlled trial

Trials, 2017
Background Multiple pregnancies are one of the major safety concerns of in vitro fertilization (IVF) due to the increased risk of maternal and neonatal complications.
Daimin Wei, Yun Sun, Jiayin Liu, Xiaoyan Liang, Yimin Zhu, Yuhua Shi, Zi-Jiang Chen   +6 more
doaj   +1 more source

Incidence and risk factors for early pregnancy loss in women with first pregnancy undergoing in vitro fertilization-embryo transfer

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, Xiao Yang, Linlin Li, Haibo Zhu, Hongguo Zhang, Yuting Jiang, Ruizhi Liu   +6 more
doaj   +1 more source

The difference in early trimester fetal growth between singletons after frozen embryo transfer and fresh embryo transferAJOG Global Reports at a Glance

AJOG Global Reports
BACKGROUND: Frozen embryo transfer resulted in a higher birthweight and an increased risk of macrosomia than fresh embryo transfer. However, the mechanism was still unclear.
Huiming Yang, MD, Haozhe Miao, MD, Mengfei Yin, MD, Yixuan Wang, MD, Dingying Zhao, MD, Min Yang, MD, Jialin Zou, MD, Wenwen Zhang, MD, Lingling Zhang, MD, Chendan Liu, MD, Yue Wang, MD, Ze Wang, MD, Yunhai Yu, MD, PhD, Daimin Wei, MD, PhD   +13 more
doaj   +1 more source