Embryo Transfer

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  Subject Areas on Research

  • A comparative analysis of embryo implantation potential in patients with severe teratozoospermia undergoing in-vitro fertilization with a high insemination concentration or intracytoplasmic sperm injection. 
  • A comparison of the relative efficiency of ICSI and extended culture with epididymal sperm versus testicular sperm in patients with obstructive azoospermia. 
  • A prospective, randomized, double-blind study for the evaluation of assisted hatching in patients with advanced maternal age. 
  • Analysis of ectopic pregnancies resulting from in-vitro fertilization and embryo transfer. 
  • Are implantation and pregnancy outcome impaired in diethylstilbestrol-exposed women after in vitro fertilization and embryo transfer? 
  • Association of physical activity in the past year and immediately after in vitro fertilization on pregnancy. 
  • Basal follicle-stimulating hormone level and age affect the chance for and outcome of pre-embryo cryopreservation. 
  • Benefits and risks of multiple transfer with in vitro fertilisation. 
  • Beta-human chorionic gonadotropin as a monitor of pregnancy outcome in in vitro fertilization-embryo transfer patients. 
  • Cessation of gonadotropin-releasing hormone agonist therapy combined with high-dose gonadotropin stimulation yields favorable pregnancy results in low responders. 
  • Clinical pregnancy and live birth increase significantly with every additional blastocyst up to five and decline after that: an analysis of 16,666 first fresh single-blastocyst transfers from the Society for Assisted Reproductive Technology registry. 
  • Controlled preparation of the endometrium with exogenous steroids for the transfer of frozen-thawed pre-embryos in patients with anovulatory or irregular cycles. 
  • Cryopreservation of all prezygotes in patients at risk of severe hyperstimulation does not eliminate the syndrome, but the chances of pregnancy are excellent with subsequent frozen-thaw transfers. 
  • Cryopreservation: the problem of evaluation. 
  • Cumulus cell pappalysin-1, luteinizing hormone/choriogonadotropin receptor, amphiregulin and hydroxy-delta-5-steroid dehydrogenase, 3 beta- and steroid delta-isomerase 1 mRNA levels associate with oocyte developmental competence and embryo outcomes. 
  • Delayed fertilization during in vitro fertilization and embryo transfer cycles: analysis of causes and impact on overall results. 
  • Delaying the initiation of progesterone supplementation results in decreased pregnancy rates after in vitro fertilization: a randomized, prospective study. 
  • Diminished ovarian reserve and poor response to stimulation in patients <38 years old: a quantitative but not qualitative reduction in performance. 
  • Do donor oocyte cycles comply with ASRM/SART embryo transfer guidelines? An analysis of 13,393 donor cycles from the SART registry. 
  • Ectopic pregnancy rate increases with the number of retrieved oocytes in autologous in vitro fertilization with non-tubal infertility but not donor/recipient cycles: an analysis of 109,140 clinical pregnancies from the Society for Assisted Reproductive Technology registry. 
  • Effectiveness of assisted reproductive technology (ART). 
  • Effects of the severity of tubo-ovarian disease and previous tubal surgery on the results of in vitro fertilization and embryo transfer. 
  • Embryo implantation in in vitro fertilization and intracytoplasmic sperm injection: impact of cleavage status, morphology grade, and number of embryos transferred. 
  • Embryo transfer to the uterus or the fallopian tube after in vitro fertilization yields similar results. 
  • Endometrial receptivities after leuprolide suppression and gonadotropin stimulation: histology, steroid receptor concentrations, and implantation rates. 
  • Follicular atresia associated with concurrent initiation of gonadotropin-releasing hormone agonist and follicle-stimulating hormone for oocyte recruitment. 
  • Follicular development, acquisition of mature oocytes, and pregnancy after 2 weeks of leuprolide acetate administration during the midluteal phase. 
  • Freezing techniques and results. 
  • Genetically engineered large animal model for studying cone photoreceptor survival and degeneration in retinitis pigmentosa. 
  • Gonadotropin stimulation for in vitro fertilization and embryo transfer in insulin-dependent diabetics: follicular response, oocyte quality, embryo development, and follicular environment. 
  • High doses of gonadotropins have no detrimental effect on in vitro fertilization outcome in normal responders. 
  • How compliant are in vitro fertilization member clinics in following embryo transfer guidelines? An analysis of 59,689 fresh first in vitro fertilization autologous cycles from 2011 to 2012. 
  • Human granulosa-luteal and cumulus cells express transforming growth factors-beta type 1 and type 2 mRNA. 
  • Impact of a cryopreservation program on the multiple pregnancy rate associated with assisted reproductive technologies. 
  • Impact of different clinical variables on pregnancy outcome following embryo cryopreservation. 
  • Impact of leuprolide acetate on the response to follicular stimulation for in vitro fertilization in patients with normal basal gonadotropin levels. 
  • Implantation potential of each pre-embryo in multiple pregnancies obtained by in vitro fertilization seems to be different. 
  • Improved oocyte quality is obtained with follicle stimulating hormone alone than with follicle stimulating hormone/human menopausal gonadotrophin combination. 
  • In vitro fertilization and embryo transfer (IVF-ET) comes to the upstate. 
  • In vitro fertilization and embryo transfer (IVF/ET): an established and successful therapy for endometriosis. 
  • In vitro fertilization: effective alternative to surgery for distal tubal occlusion. 
  • In-vitro fertilization and embryo transfer in patients with endometriosis: impact of a gonadotrophin releasing hormone agonist. 
  • Influence of number of pre-embryos transferred, progesterone level and oestradiol/progesterone ratio at thaw on pregnancy results during replacement of cryopreserved pre-embryos in natural cycles. 
  • Insurance mandates, embryo transfer, outcomes--the link is tenuous. 
  • Intracytoplasmic sperm injection: achievement of high pregnancy rates in couples with severe male factor infertility is dependent primarily upon female and not male factors. 
  • Is the timing of implantation affected by zona pellucida micromanipulation? 
  • Late intracytoplasmic sperm injection in unexpected failed fertilization in vitro: diagnostic or therapeutic? 
  • Low-dose glucocorticoids after in vitro fertilization and embryo transfer have no significant effect on pregnancy rate. 
  • Monitoring gonadotropin-stimulated cycles for in vitro fertilization and embryo transfer. 
  • Oocyte donation. 
  • Oocyte donation. The Norfolk Program. 
  • Outcome of intracytoplasmic sperm injection in azoospermic patients: stressing the liaison between the urologist and reproductive medicine specialist. 
  • Piezo-assisted nuclear transfer affects cloning efficiency and may cause apoptosis. 
  • Pre-implantation genetic testing alters the sex ratio: an analysis of 91,805 embryo transfer cycles. 
  • Preclinical abortions: incidence and significance in the Norfolk in vitro fertilization program. 
  • Predictors and implications of estradiol rise after gonadotropin-releasing hormone antagonist initiation during in vitro fertilization cycles. 
  • Pregnancy rates in donor oocyte cycles compared to similar autologous in vitro fertilization cycles: an analysis of 26,457 fresh cycles from the Society for Assisted Reproductive Technology. 
  • Preimplantation genetic testing for aneuploidy is cost-effective, shortens treatment time, and reduces the risk of failed embryo transfer and clinical miscarriage. 
  • Progesterone levels on the day of human chorionic gonadotropin do not predict pregnancy outcome from the transfer of fresh or cryopreserved embryos from the same cohort. 
  • Rectus sheath hematoma after transvaginal follicle aspiration: a rare complication of in vitro fertilization. 
  • Repeated In Vitro Fertilization Cycles for Infertility. 
  • Reprogramming after chromosome transfer into mouse blastomeres. 
  • Results of in vitro fertilization attempts in women 40 years of age and older: the Norfolk experience. 
  • SNP array-based analyses of unbalanced embryos as a reference to distinguish between balanced translocation carrier and normal blastocysts. 
  • Salpingectomy improves the pregnancy rate in in-vitro fertilization patients with hydrosalpinx. 
  • Significantly enhanced pregnancy rates per cycle through cryopreservation and thaw of pronuclear stage oocytes. 
  • Single- and double-lumen needles for oocyte harvesting. 
  • Sonographic appearance of the endometrium: the predictive value for the outcome of in-vitro fertilization in stimulated cycles. 
  • State Insurance Mandates and Multiple Birth Rates After In Vitro Fertilization. 
  • Stress affects uterine receptivity through an ovarian-independent pathway. 
  • Successful fertilization and pregnancy outcome in in-vitro fertilization using cryopreserved/thawed spermatozoa from patients with malignant diseases. 
  • Successful prophylactic regimens for transvaginal oocyte retrieval in women with bleeding diatheses. 
  • Superovulation with intrauterine insemination in the treatment of infertility: a possible alternative to gamete intrafallopian transfer and in vitro fertilization. 
  • Survival of the cornual pregnancy in a heterotopic gestation after in vitro fertilization and embryo transfer. 
  • The combination of follicle-stimulating hormone and human menopausal gonadotropin for the induction of multiple follicular maturation for in vitro fertilization. 
  • The effects of competition on assisted reproductive technology outcomes. 
  • The gonadotropin-releasing hormone agonist stimulation test--a sensitive predictor of performance in the flare-up in vitro fertilization cycle. 
  • The impact of an egg donor's age and her prior fertility on recipient pregnancy outcome. 
  • The incidence of multiple gestations after in vitro fertilization is dependent on the number of embryos transferred and maternal age. 
  • The indications for in vitro fertilization. 
  • The outcome of clinical pregnancies following intracytoplasmic sperm injection is not affected by semen quality. 
  • The significance of hydrosalpinx in in vitro fertilization. 
  • The value of basal and/or stimulated serum gonadotropin levels in prediction of stimulation response and in vitro fertilization outcome. 
  • The value of in vitro fertilization for the treatment of unexplained infertility. 
  • Three-dimensional ultrasound diagnosis of T-shaped uterus is associated with adverse pregnancy outcomes after embryo transfer. 
  • Timing of oocyte retrieval in cycles with a spontaneous luteinizing hormone surge in a large in vitro fertilization program. 
  • Total follicle stimulating hormone dose is negatively correlated with live births in a donor/recipient model with fresh transfer: an analysis of 8,627 cycles from the Society for Assisted Reproductive Technology Registry. 
  • Transfer of cryopreserved-thawed pre-embryos in a cycle using exogenous steroids without prior gonadotrophin-releasing hormone agonist suppression yields favourable pregnancy results. 
  • Transfer of cryopreserved-thawed pre-embryos in a natural cycle or a programmed cycle with exogenous hormonal replacement yields similar pregnancy results. 
  • Treatment-independent, treatment-associated, and pregnancies after additional therapy in a program of in vitro fertilization and embryo transfer. 
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  Keywords of People

  • Bennett, Vann, George Barth Geller Distinguished Professor of Molecular Biology, Duke Cancer Institute
  • Shinohara, Mari L., Associate Professor of Immunology, Immunology