نتایج جستجو برای: embryo transfer technique

تعداد نتایج: 942646  

Background: Controlled ovarian stimulation (COS) has been shown to advance endometrial maturation and affect adversely implantation in assisted reproduction technology (ART) cycles. It has been reported that there is a better embryo-endometrium synchrony in frozenthawed embryo transfer (FET) cycles than fresh embryo transfer (ET) cycles. The Background of this study was to compare ongoing pregn...

Journal: :Fertility and sterility 2003
William M Buckett

OBJECTIVE To determine the relative efficacy of ultrasound-guided embryo transfer and embryo transfer by clinical touch alone. DESIGN Systematic review and meta-analysis of randomized, controlled trials comparing ultrasound-guided embryo transfer with embryo transfer by clinical touch alone. SETTING Infertility centers providing treatment with in vitro fertilization/embryo transfer. PATIE...

Journal: :Human reproduction 2010
Lionel Dessolle Thomas Fréour Paul Barrière Miguel Jean Célia Ravel Emile Daraï David J Biau

BACKGROUND Embryo transfer, a crucial step for achieving pregnancy after in vitro fertilization, is an operator-dependent technique but the number of procedures required for a trainee to reach proficiency is unknown. We set out to evaluate the learning curve (LC) of embryo transfer using a specifically designed statistical tool. METHODS The first embryo transfers performed by five trainees we...

Journal: :Journal of the American Association for Laboratory Animal Science 2020

Journal: :international journal of reproductive biomedicine 0
abbas aflatoonian farideh arab jahvani maryam eftekhar mozhgan sayadi

background: frozen- thawed embryo transfer is an essential part of art treatment and outcomes of this procedure are associated with several clinical factors. several studies have showed an increase level of ivf outcomes in women with sufficient vitamin d. objective: whether treatment of vitamin d insufficiency can improve pregnancy rates in frozen-thawed embryo transfer cycles. materials and me...

2014
B. Xiong K. Tan Y.Q. Tan F. Gong S.P. Zhang C.F. Lu K.L. Luo G.X. Lu G. Lin

Translocation is one of the more common structural rearrangements of chromosomes, with a prevalence of 0.2%. The two most common types of chromosomal translocations, Robertsonian and reciprocal, usually result in no obvious phenotypic abnormalities when balanced. However, these are still associated with reproductive risks, such as infertility, spontaneous abortion and the delivery of babies wit...

Journal: :international journal of reproductive biomedicine 0
robab davar sedighe ghandi naeimeh tayebi

background: recent reports have suggested that ultrasound-guided embryo transfer (ug-et) might improve pregnancy rates. objective: to determine whether transabdominal ug-et is a useful tool for increasing pregnancy and implantation rates in patients undergoing ivf or icsi. materials and methods: a prospective randomized clinical trial was conducted in 180 patients in order to compare embryo tra...

2005
S. GOSRANI

The main variables that affect nidation are related to uterine receptivity, embryo quality and the efficiency of embryo transfer. Embryo transfer is the critical step in assisted reproductive technology; with rigid catheters, contamination with blood, mucus or bacteria, increased contraction waves of the myometrium, and the level of difficulty in introducing the catheter inside the uterine cavi...

Journal: :international journal of reproductive biomedicine 0
soghra rabiee roya kaboodmehri mohammad fallah mahnaz yavangi marzieh sanouei farimani

embryo transfer and its related factors received little clinical attention and had been, until recently, the most inefficient step in in-vitro fertilization (ivf). factors which appear to influence implantation rates are: contamination of the catheter tip with cervical bacteria, stimulation of uterine contractions during the procedure, the type of catheter, ultrasound guidance during the transf...

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