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We list hundreds of Clinical Trials about "Patient-Centered Implementation Trial for Single Embryo Transfer" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.
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Background: The number of multiple pregnancies is considered to be the most important adverse effect of in vitro fertilisation (IVF) and intracytoplasmic sperm injection (ICSI). IVF or ICSI with transferring only one embryo, elective single embryo transfer (eSET), will reduce this incidence remarkably. Unfortunately, former research has documented that cycles with SET maintain lower pregnancy rates compared to double embryo transfer (DET). Implementation of eSET will require a...
BACKGROUND: Single-embryo transfer is a well-accepted strategy to avoid multiple pregnancies in an assisted reproductive technology programme. The selection of the embryo with the highest implantation potential is a crucial step. Besides the morphological quality and embryo kinetics up to the blastocyst stage, pre-implantation genetic screening (PGS) of aneuploidy has been advocated as an adjuvant approach by which to select the right embryo for transfer. METHODS: Couple...
The purpose of this study is to evaluate two types of embryo transfer procedure. The investigators will compare direct embryo transfer against afterloading embryo transfer.
The objective of the present randomized controlled study is to compare clinical effectiveness and safety of freezing all embryos followed by frozen-thawed embryo transfer (FET) compared to fresh embryo transfer, in women undergoing IVF treatment.
Women undergoing in vitro fertilization (IVF) therapy, who are low responder and agree to enter the trial will be randomized to a study group, for whom embryo transfer will be done on the same day as oocyte aspiration and fertilization; and a control group for whom embryo transfer will be performed 48 to 72 hours later, as is the current accepted practice.
To establish embryo time-difference kinetics scoring model for embryo selection before embryo transfer. It is especially suitable for selective single embryo transfer, advanced infertile women, and patients with repeated transplant failure. It can effectively improve clinical pregnancy rate, improve embryo implantation rate and Rate of return home. Reduce the risk of multiple pregnancies.
The number of copies of mitochondrial genes (mtDNA or "MitoScore") is related to the energy supply of the embryo, which can affect its ability to implant in the maternal uterus. The objective of this study is to analyse the potential of MitoScore before embryo transfer as a marker to identify and select the embryo with greater capacity of implantation. First of all, chromosomally normal embryos will be selected and mtDNA copies will be quantified. Finally, embryos with less co...
The purpose of this study is to determine whether embryo transfer on day 3 versus day 5 shows a significant difference in implantation, clinical pregnancy, live birth, miscarriage and multiple pregnancy rates among women with at least two previous IVF failures
The aim of this study was to evaluate if higher volume (40-45μl VS 20-25 μl) of media used for embryo transfer affects the clinical outcomes in fresh IVF cycles.Patients who fulfilled the inclusion criteria and agreed to participate in the study, were randomized, on the day of the embryo transfer, into group A: low volume (20-25 μL) and group B: high volume (40-45 μL)
Single center randomized study including 388 women aged less than 39 years, performing in vitro fertilization, to determine if blastocyst stage (Day 5 to 6) embryo transfer (ETs) improves implantation and pregnancy rate compared with cleavage stage (Day 2 to 3) ETs.
The embryo transfer implies transportation from the incubator where they have been at 37 ° C, to the transfer catheter inside a laminar flow hood whose working surface is also maintained at 37 ° C. . From the laboratory to the operating room the embryo is exposed to a temperature drop, and consequently thermal stress occurs, which may compromise its future viability. The aim of this study is to assess the possible improvement in the clinical results when the embryos ar...
This study evaluates which transfer strategy will result in a higher probability of pregnancy in patients whose single best day 5 embryo resulting from an IVF cycle is classified as expansion grade
The purpose of the current study is to evaluate the effect of preimplantation genetic screening (PGS) by next generation sequencing (NGS) compared to standard morphological assessment of embryos on pregnancy rates through a randomized controlled trial (RCT). All embryos will be vitrified and a single embryo transfer (SET) will be performed with either screened or unscreened embryos depending on randomization.
This study evaluates the outcomes of frozen-thawed embryo transfer (FET) success rate with modified luteal support - addition of a single injection of HCG and GnRH-agonist, on day of ET and 4 days later, respectively vs. traditional luteal support with vaginal progesterone only in ovulating women.
to evaluate the value of using transvaginal ultrasound guided embryo transfer in obese patients undergoing in vitro fertilization.
This is a randomized-controlled trial evaluating the effect of the use of hyaluronan (HA)-enriched embryo transfer medium on the live birth rate in women undergoing frozen-thawed embryo transfer. For half of the women, hyaluonan-enriched medium will be used as embryo transfer medium. For the other half of women, control will be used.
Several studies had analyzed the correlation between embryo transfer operator experience and implantation, clinical pregnancy, abortion and delivery rate. The aim of the present study is determining if the probabilities of embryo implantation and pregnancy are associated to the operator performing the embryo transfer. This study allows following more than 30 different operators in a global period of 20 years with almost 20,000 procedures.
The aim of this study is to demonstrate the efficacy of a single embryo transfer at blastocyst stage (Day 5) after co-culture on Autologous Endometrial Cell Culture (AECC) versus transfer of a single embryo at Day 3 after culture in conventional medium. Efficacy will be assessed in terms of clinical pregnancy rate 5 to 8 weeks after embryo transfer.
In recent years, frozen-thawed embryo transfer procedure (FET) has been widely used to increase the cumulative pregnancy rate per IVF-cycle: which is the best preparation protocol remains a matter of debate. A retrospective analysis was conducted between 2012-2017. The aim was comparing clinical pregnancy rate (CPR) of pure natural cycle frozen-thawed embryo transfer (NC-FET) versus natural cycle frozen-thawed embryo transfer with hCG-triggered ovulation (mNC-FET).
To evaluate the impact of two FDA approved culture media on potential of human embryos resulting from IVF (sequential & monophasic media). Half of each patient's embryos will be randomly assigned to grow in monophasic media & the other half in sequential media. All embryos will undergo Comprehensive Chromosome Screening (CCS) & the best euploid embryo from each group will be transferred resulting in a double embryo transfer (DET). If there are only euploid embryos from one g...
This study is a prospective randomized controlled trial to compare the pregnancy outcomes of frozen embryo transfer in natural and hormonal replacement cycles. The study population consisted of all infertile women with regular menstrual cycles who will undergo IVF/ICSI and frozen embryo transfer in Reproductive Biomedicine Research Center, Royan institute, Tehran Iran.
The aim of the present study is to determine if implantation rate could be increased in women undergoing frozen embryo transfer cycles in case of adjusting their embryo development at hatching or hatched stage.
The aim of this study was to compare the clinical outcomes between fresh embryo and frozen embryo transfer in in vitro fertilization (IVF). All frozen embryo was vitrified at pronuclear stage (2PN) and cultured to cleavage embryos for transfer. This is a retrospective study. All IVF cycles were included in this study and further divided into fresh and frozen embryo transfer groups. The collection data including: stimulation protocols, medicines, blood test results, pregnancy t...
The purpose of this study is to determine whether the chances of becoming pregnant are better when day the single best day 5 embryo (blastocyst) resulting from an in vitro fertilization (IVF) cycle is transferred into the uterus immediately, or after freezing the embryo and transferring it into the uterus in a subsequent cycle, separate from the ovarian stimulation used in the IVF cycle. The investigators hypothesize that in good-prognosis patients, vitrified-warmed elective si...
Studies have shown that endometrial sampling in the month prior to embryo transfer may increase pregnancy rates. We wish to test this hypothesis by performing a hysteroscopy and curettage in the month proceeding embryo transfer during IVF, IVF/ICSI or Frozen/Thawed cycles.