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We list hundreds of Clinical Trials about "Afterloading embryo transfer procedure Direct embryo transfer procedure" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.
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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.
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 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 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 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.
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.
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 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 objective of this study is to evaluate the efficacy of embryo transfer procedure guided by transvaginal ultrasound versus abdominal ultrasound in recipients of oocytes as well as the advantages and disadvantages of the new technique.
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.
the aim of the study is to assess the role of indomethacin in cases of difficult embryo transfer in intracytoplasmic sperm injection cycles.
The culturing human embryo in vitro is a process of myriad contributing elements. From these factors is the culture media pH, which is crucial for embryo development. The investigators plan to examine two different pH the culture media on the live birth rate of in vitro cultured human embryos.
A prospective randomized trial comparing Cook K-SOFT-5100 and Frydman classical catheter 4.5 for embryo transfer in human IVF/ICSI was performed. Three experienced operators participated in the trial, using a fixed distance transfer protocol. Primary endpoint was clinical pregnancy rate, secondary endpoints were rates of difficult transfer and of catheter failure. Patients were randomized by a computer program immediately prior to embryo transfer.
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.
To compare the effectiveness of freeze-all and subsequent frozen embryo transfer (freeze all protocol) with fresh embryo transfer (fresh ET).
Women planned to undergo blastocyst-stage embryo transfer after IVF/ICSI were randomized into 2 groups: - group I: women who had only good-quality embryo transfer. - group II: women who had both good-quality and poor-quality embryo transfer. primary outcome was ongoing clinical pregnancy rate
During IVF treatment, acupuncture at the time of embryo transfer may improve the pregnancy rate. This study aims to compare IVF pregnancy between two groups of patients that received either acupuncture or sham acupuncture (placebo)around embryo transfer
Evaluation of embryo quality in the fresh cycle as a predictor of outcome from frozen embryo transfer.
The study design is a prospective randomized uncontrolled clinical trial. It will include 150 cases. The aim of this study is to compare the efficacy of three different media used for embryo transfer regarding "chemical and clinical" pregnancy rate, implantation rate and ongoing pregnancy and miscarriage rates in IVF and ICSI cycles. The three different embryo transfer media are: 1. Hyaluronan-enriched medium "Embryo Glue®" 2. 30% Protein-supplemented Cultu...
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.
The implantation rate after frozen-thawed embryo transfer cycles depends mostly on the receptivity of the endometrium and the embryo quality.The effects of human chorionic gonadotropins (hCG) on the endometrium have been investigated for several years. hCG was shown to up-regulate gene expression during the differentiation of human endometrial stromal cells into decidua. The aim of our study was to assess the benefit of hCG supplementation throughout the secretory phase of art...
Recent improvements in cell culture systems have led to a shift in in vitro fertilization (IVF) practice from early cleavage stage embryo transfer (ET) to blastocyst transfer. Blastocyst culture and transfer could theoretically provide better synchronization between the embryo and the uterine endometrium. The purpose of this study is comparing pregnancy rates and implantation rate following transfer of thawed cleavage embryos and blastocysts cultured from thawed cleavage embryo...