In vitro fertilization outcomes after fresh and frozen blastocyst transfer in South Asian compared with white women

Wednesday, June 1, 2016
In vitro fertilization outcomes among South Asian women are similar to Caucasian women in frozen embryo transfer cycles and significantly lower in fresh in vitro fertilization cycles.

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To delay or not to delay a frozen embryo transfer after a failed fresh embryo transfer attempt

Sunday, May 1, 2016
Frozen embryo transfers performed immediately after fresh in vitro fertilization cycles had clinical pregnancy rates similar to those postponed to a later time. Therefore, deferring frozen embryo transfers may unnecessarily prolong the time to pregnancy.

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Flexibility in starting ovarian stimulation at different phases of the menstrual cycle for treatment of infertile women with the use of in vitro fertilization or intracytoplasmic sperm injection

Tuesday, April 5, 2016

Authors:
Ningxin Qin, M.M., Qiuju Chen, Ph.D., Qingqing Hong, M.D., Renfei Cai, M.D., Hongyuan Gao, M.D., Yun Wang, M.D., Lihua Sun, M.D., Shaozhen Zhang, M.D., Haiyan Guo, M.D., Yonglun Fu, M.D., Ai Ai, M.D., Hui Tian, M.D., Qifeng Lyu, Ph.D., Salim Daya, Ph.D., Yanping Kuang, M.D.…

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Optimal endometrial preparation for frozen embryo transfer cycles Window of implantation and progesterone support

Friday, April 1, 2016
Improvements in cryopreservation technology resulted in greater availability of frozen embryos for transfers. Optimal endometrial preparation and timing of transfers are essential for improvements in frozen embryo transfer pregnancy rates and outcomes.

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Obstetric and neonatal outcomes in blastocyst stage biopsy with frozen embryo transfer and cleavage-stage biopsy with fresh embryo transfer after preimplantation genetic diagnosis screening

Monday, February 29, 2016

Authors:
Shuang Jing, M.Sc., Keli Luo, M.D., Ph.D., Hui He, M.Sc., Changfu Lu, Ph.D., Shuoping Zhang, M.D., Yueqiu Tan, Ph.D., Fei Gong, M.D., Ph.D., Guangxiu Lu, M.D., Ge Lin, M.D., Ph.D.…

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Difference in birth weight of consecutive sibling singletons is not found in oocyte donation when comparing fresh versus frozen embryo replacements

Monday, November 30, 2015
With the use of oocyte donation-originated siblings, and controlling for potential laboratory and clinical confounders, similar birth weight and duration of gestation were observed with both fresh and frozen embryos.

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Single vitrified blastocyst transfer maximizes liveborn children per embryo while minimizing preterm birth

Monday, June 1, 2015
Single vitrified-warmed blastocyst transfer provides excellent live-birth rates and higher embryo to live-birth efficiency while minimizing preterm birth and low birth weight, relative to double transfer.

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International Committee for Monitoring Assisted Reproductive Technologies World Report on Assisted Reproductive Technologies 2007

Friday, January 30, 2015
This report covers >1,251,881 procedures by >3,354 institutions in 55 countries. At least 229,442 babies were born. Declining numbers of transferred embryos, and aging of patients, are discussed.

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Why we should transfer frozen instead of fresh embryos The translational rationale

Wednesday, June 25, 2014
Frozen transfer allows embryos to implant and develop in a more physiologic environment. This review summarizes the research on the effect of the superovulated environment on implantation and embryo development.

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Clinical rationale for cryopreservation of entire embryo cohorts in lieu of fresh transfer

Wednesday, June 25, 2014
Frozen embryo transfer is now competitive with fresh transfer and may be superior in some cases. Numerous factors should be considered when deciding between them.

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The practice of in vitro fertilization according to the published literature

Thursday, June 12, 2014
The “holy grail” of in vitro fertilization is identifying a single embryo that produces a healthy baby.

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Luteal phase ovarian stimulation is feasible for producing competent oocytes in women undergoing IVF ICSI treatment with optimal pregnancy outcomes in frozen thawed embryo transfer cycles

Tuesday, December 31, 2013
Luteal-phase ovarian stimulation reveals a new approach for collecting competent oocytes in women undergoing in vitro fertilization/intracytoplasmic sperm injection treatment, with optimal pregnancy outcomes in subsequent frozen embryo transfer cycles.

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Should embryos developing to blastocysts on day 7 be cryopreserved and transferred an analysis of pregnancy and implantation rates

Monday, September 30, 2013
Embryos cryopreserved after reaching blastocyst stage on day 7 were compared to those cryopreserved on days 5 and 6. Day 7 blastocysts have lower but clinically important pregnancy rates.

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Pregnancies and deliveries per fresh cycle are no longer adequate indicators of in vitro fertilization program quality how should registries adapt

Friday, August 30, 2013
The author of this Conceptions article suggests changes in the structure of clinic-specific reporting.

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Fresh embryo transfer versus frozen embryo transfer in in vitro fertilization cycles a systematic review and meta-analysis

Wednesday, January 2, 2013
In vitro fertilization outcomes may be improved by performing frozen instead of fresh embryo transfer. These results could be explained by avoiding the deleterious effects of controlled ovarian hyperstimulation on endometrial receptivity.

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Pregnancy loss after frozen embryo transfer A comparison of three protocols

Thursday, November 1, 2012
Frozen-embryo transfer in substituted cycles resulted in higher pregnancy rates but also increased pregnancy loss, leading to similar clinical pregnancy and delivery rates for the protocols studied.

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