Search Results
Results 351 - 400 of 1966
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Kuliev Anver - - 2008
Despite recent controversy, existing experience suggests that aneuploidy testing has had a significant impact on the reproductive outcome of poor prognosis IVF patients, which is based on the experience of over 20,000 cases of PGD for chromosomal disorders. The clinical impact was demonstrated in the improved implantation and pregnancy rates, ...
Al-Ghamdi Ahlam - - 2008
BACKGROUND: To evaluate the relationship between endometrial thickness on day of human chorionic gonadotrophin administration (hCG) and pregnancy outcome in a large number of consecutive in vitro fertilization and embryo transfer (IVF-ET) cycles. METHODS: A retrospective cohort study including all patients who had IVF-ET from January 2003-December 2005 conducted at ...
Komaki A - - 2008
When the angle formed by the uterine body and cervical axes (uterocervical angle) was less than 115 degrees, a catheter for embryo transfer could not be smoothly inserted into the uterine body, and so a hard catheter was used, which significantly reduced the pregnancy rate and implantation rate. When the ...
Sadasivam Nirmala - - 2008
To evaluate the credibility of single blastocyst transfer (SBT) method in selected group of patients. Retrospective analysis of SBT cases based on computerized data in a private Fertility research centre. A total of 604 cases of SBTs, done during June 2000 to June 2006, have been analyzed retrospectively to assess ...
Ozmen Batuhan - - 2008
To present a live birth after freezing and thawing of biopsied oocytes. Case report. Artificial reproduction unit of a university hospital. A primary infertile couple with asthenoteratozoospermia and repeated failures of intracytoplasmic sperm injection (ICSI). Screening of aneuploidy during the fourth ICSI cycle with polar body biopsy (PB) for repeated ...
Liu Guo-Shi - - 2008
Finland blue fox (Alopex lagopus) has great reputation in pelt industry around the world for its large size and top-ranking fur quality; however, both the herd size and the average survival rate of purebred offspring are rather low in production systems in China. Surgical transfer of blue fox embryos was ...
Robab Davar
Objective: Despite many advances in the field of reproductive medicine, with &lt;30% of embryos that are transferred ever resulting in clinical pregnancies. This study compared implantation and pregnancy rate in two methods of embryo selection. Design: randomized double blind clinical trial Materials and Methods: Research and clinical center for infertility, ...
Fichez Axel - - 2008
OBJECTIVE: To describe the first case of IVF pregnancy in a pancreas-kidney recipient. DESIGN: Case report. SETTING: Reproductive Medicine Department, Hôpital Edouard Herriot, Lyon, France. INTERVENTION(S): In vitro fertilization in a pancreas-kidney recipient. PATIENT(S): A 39 year-old nulliparous woman, with primary infertility and a history of pancreas-kidney transplant at 29 ...
Korosec Sara - - 2007
The purpose of this prospective randomized study was to evaluate use of a hyaluronan-rich transfer medium in fresh and frozen-thawed single blastocyst transfer. The study included 279 single blastocyst transfers in women aged<37 years in their first, second or third treatment cycle. According to the type of single blastocyst transfer ...
Soares Sérgio Reis - - 2008
OBJECTIVE: To demonstrate that the location of the air bubble after embryo transfer (ET) does not necessarily indicate the final embryo location. DESIGN: Case report. SETTING: Private clinic. PATIENT(S): A couple with primary infertility for whom a diagnosis of bicornuate uterus with a very open angle between horns was confirmed. ...
Polinder S - - 2008
BACKGROUND Conventional ovarian stimulation and the transfer of two embryos in IVF exhibits an inherent high probability of multiple pregnancies, resulting in high costs. We evaluated the cost-effectiveness of a mild compared with a conventional strategy for IVF. METHODS Four hundred and four patients were randomly assigned to undergo either ...
Keenan Jeffrey - - 2008
OBJECTIVE: To document the numbers of donated frozen ETs performed and the pregnancy, birth, and embryo implantation rates seen in four infertility clinics and three embryo donation agencies in the United States. DESIGN AND SETTING: Case series. Four infertility clinics and three embryo donation agencies in the United States contributed ...
Ata Baris - - 2008
To evaluate the effectiveness and safety of dual renin-angiotensin system (RAS) blockage together with total embryo cryopreservation for prevention of ovarian hyperstimulation syndrome (OHSS) in overstimulated patients undergoing IVF. Retrospective case series. A private tertiary care hospital assisted reproduction program. Ten women at high risk for OHSS (mean E(2) level ...
Alexander B - - 2008
Early pregnancy diagnosis and monitoring play an important role following embryo transfer in sheep. The aims of the current study were to investigate (i) the pattern of serum progesterone profiles in sheep carrying somatic cell nuclear transfer (SCNT)-derived (clone) pregnancies, and (ii) the frequency of pregnancy loss during development following ...
Kassab, Ahmed S.
Background: There is lack of consensus regarding the management of patients diagnosed with endometrial polyp in assisted reproductive technology (ART) cycles. Saline infusion Sonohysterography (SIS) may provide more precise identification of endometrial pathology without need for hysteroscopy, cycle cancellation or cryopreservation of all embryos. Case: A 38 year-old woman with ...
Savaris Ricardo Francalacci - - 2007
Hydrosalpinx is a common condition among women of reproductive age. It is related to low pregnancy rates in the settings of in vitro fertilization-embryo transfer programs. Such low rates are not yet well understood, and may be due to poor endometrial receptivity and abnormal expression of key molecules in the ...
Soullier N - - 2008
BACKGROUND: The outcome of in vitro fertilization (IVF) has been widely investigated over the last 30 years, but evaluation was mostly based on pregnancy rate per oocyte retrieval. Our objective was to estimate the cumulative live birth rate after four IVF aspirations, using multiple imputation that takes into account treatment ...
Papanikolaou Evangelos G - - 2008
BACKGROUND: Both cleavage-stage and blastocyst-stage embryo transfer policies have advantages and drawbacks. The number of embryos transferred, however, is a crucial parameter that needs to be considered before attempting any comparison. METHODS: An extensive literature search yielded initially 282 studies from which 8 randomized controlled trials met the inclusion criteria: ...
Lamanna Giuseppina - - 2008
Sonographic measurement of endometrial thickness at embryo transfer is thought to be a good predictor of the success of in vitro fertilization/intracytoplasmic sperm injection cycles because the clinical pregnancy rate increases as the endometrium thickens. Nevertheless, a retrospective analysis of a study population of 606 patients showed a decrease of ...
Dochi O - - 2008
Repeat breeding is an important factor affecting economic success in dairy management. The objective of this study was to investigate the effectiveness of transfer of frozen-thawed IVF embryos in establishing pregnancy in repeat-breeding Holstein cattle. Cumulus oocyte complexes were collected by aspiration of 2-5 mm follicles from ovaries obtained at ...
Shapiro Bruce S - - 2008
OBJECTIVE: To identify dominant predictors of clinical pregnancy in IVF cycles. DESIGN: Retrospective study. SETTING: Private fertility center. PATIENT(S): The study included 580 fresh autologous IVF cycles with blastocyst transfer. INTERVENTION(S): None. MAIN OUTCOME MEASURE(S): Clinical pregnancy rate. RESULT(S): A set of 25 suspected predictors was used to develop predictive ...
Bergh C - - 2007
The objective of this study was to investigate the attitudes towards and management of single embryo transfer(SET) among Nordic in vitro fertilisation (IVF) doctors, and to present the rate of SET and multiple pregnancies in the different countries. A questionnaire was sent to all IVF doctors in the Nordic countries ...
Thum M Y - - 2007
The aim of this work was to evaluate the effects of extreme body mass index (BMI) on assisted reproductive treatment outcome and pregnancy outcome. This is a descriptive cohort study that evaluated 8,145 consecutive in-vitro fertilisation/intracytoplasmic sperm injection-embryo transfer (IVF/ICSI-ET) cycles in which BMI were known, from July 1997 to ...
Cohen Jacques - - 2007
A randomized clinical trial of 406 patients with advanced maternal age by Mastenbroek and co-workers recently published in the New England Journal of Medicine showed a significant decrease in pregnancy outcome after preimplantation genetic screening (PGS). It is our opinion that this study suffers from a number of insurmountable inaccuracies ...
Yano Kohji - - 2007
To compare effectiveness of two different chemical zona thinning techniques. We studied 163 patients who had experienced IVF or ICSI failures in two or more cycles. Patients were assigned to one of three groups: zona intact (n=72), partial thinning (n=59), or circumferential thinning (n=73). Before transfer, the zonae pellucidae of ...
Söderström-Anttila Viveca - - 2007
Single embryo transfer (SET) has been the main embryo transfer strategy in the oocyte donation programme at the authors' clinic since 2000. The primary aim of this study was to evaluate the effect of SET on the clinical outcome in an unselected group of oocyte recipients. A retrospective analysis of ...
Kim YeunHee Y Baker Institute for Animal Health, College of Veterinary Medicine, Hungerford Hill Road, Ithaca, NY 14853, - - 2007
An accurate method of predicting the date of parturition in the bitch is clinically useful to minimize or prevent reproductive losses by timely intervention. Similarly, an accurate method of timing canine ovulation and gestation is critical for development of assisted reproductive technologies, e.g. estrous synchronization and embryo transfer. This review ...
Borkenhagen A - - 2007
BACKGROUND: In Germany, embryo screening programmes combined with elective embryo transfer are illegal, but there is controversial debate about their legalization. Studies about the attitudes of infertile couples towards multiples, elective embryo transfer and multifetal reduction may help to illuminate how this law shapes patient choices. METHODS: A survey of ...
Ruopp Marcus D - - 2008
To assess the conflicting evidence whether low-dose aspirin is beneficial in IVF and to evaluate the meta-analysis performed by Gelbaya et al. and reported in March 2007 in Human Reproduction Update, in which they found no effects of low-dose aspirin and recommended discontinuing its use in IVF. We present a ...
Du Y - - 2007
Porcine handmade cloning (HMC), a simplified alternative of micromanipulation based traditional cloning (TC) has been developed in multiple phases during the past years, but the final evidence of its biological value, births of piglets was missing. Here we report the first births of healthy piglets after transfer of blastocysts produced ...
Lonergan P - - 2007
This study was conducted to examine pregnancy progression and fetal characteristics following transfer of vitrified bovine nuclear transfer versus in vivo-derived embryos. Nuclear transfer (NT) was conducted using cumulus cells collected from an elite Holstein-Friesian dairy cow. Expanding and hatching blastocysts on Day 7 were vitrified using liquid nitrogen surface ...
Pacchiarotti Arianna - - 2007
To evaluate the effect of the hyperhomocysteinemia on pregnancy rate, implantation rate and abortion rate after IVF. Data from a total of 48 infertile couples with hyperhomocysteinemia were prospectively collected for this study. All patients underwent a standard down regulation protocol for ovarian stimulation. Oocytes recovery was performed at 36 ...
Gunby Joanne - - 2008
OBJECTIVE: To present the results of assisted reproductive technology (ART) cycles performed in 2004 in Canada. This is the fourth annual report of Canadian ART outcomes. DESIGN: Prospective cohort study. SETTING: Twenty-six of 26 ART centers in Canada. PATIENT(S): Couples undergoing ART treatment in Canada during 2004. INTERVENTION(S): Assisted reproductive ...
Verberg Marieke F G - - 2008
OBJECTIVE: To develop a prognostic model for the prediction of ongoing pregnancy after single-embryo transfer (SET) following mild stimulation for IVF in women less than 38 years of age. DESIGN: Prospective cohort study. SETTING: Two fertility centers in tertiary referral university hospitals. PATIENT(S): A total of 152 women with an ...
Escribá María-José - - 2008
OBJECTIVE: To evaluate the survival rate and clinical results of our vitrification procedure on preimplantation genetic diagnosis (PGD) blastocysts and to calculate its actual contribution to the reproductive outcome per cycle. DESIGN: Retrospective clinical study. SETTING: University Institute IVI, Valencia, Spain. PATIENT(S): Patients who requested cryotransfer of surplus PGD blastocysts ...
La Sala Giovanni Battista - - 2008
OBJECTIVE: To evaluate the effect of the 2004 Italian regulations (insemination of <or=3 oocytes/cycle, transfer of all embryos, prohibition of embryo cryopreservation) on outcomes of assisted reproduction treatment (ART). DESIGN: Case-control study. SETTING: The Center of Reproductive Medicine, Arcispedale Santa Maria Nuova, Reggio Emilia, Italy. PATIENT(S): Women undergoing ART for ...
Wang Chao-Nin - - 2007
OBJECTIVE: To present a case of cesarean scar pregnancy combined with intrauterine pregnancy after IVF-embryo transfer. Successful embryo reduction was performed and preserved the normal intrauterine gestation. DESIGN: Case report. SETTING: Tertiary referral case center. PATIENT(S): A woman with cesarean scar pregnancy combined with intrauterine pregnancy after IVF-embryo transfer. INTERVENTION(S): ...
Gibbons William - - 2007
The past decade has seen a fall in the number of embryos transferred accompanied by a reduction in the rate of higher order multiple pregnancies occurring from U.S. assisted reproductive technology (ART) cycles, which is temporally related to voluntary adherence to embryo transfer guidelines. The twin rate has remained relatively ...
Shibahara Hiroaki - - 2007
AIM: Elective transfer of two good-quality embryos has been used to avoid triplet or high-order multiple pregnancies. However, the rate of twin pregnancies has remained fairly unchanged. In the present study, criteria for elective single embryo transfer (eSET) at day 2 or day 3 were established by analyzing cases with ...
Chan W S - - 2008
Since its development over 25 years ago, the use of assisted reproductive technology (ART) is on the increase. Along with its use, are also reports of thromboembolic complications (TEC); these events could resulted in significant maternal morbidity and even mortality. In this article, we reviewed the general principles of ART. ...
Ng Ernest Hung Yu - - 2008
OBJECTIVE: To compare the implantation and ongoing pregnancy rates of frozen-thawed embryo transfer (FET) using laser thinning with those of laser breaching of the zona pellucida (ZP). DESIGN: Double-blind randomized study. SETTING: A tertiary assisted reproduction unit. PATIENT(S): Infertile patients undergoing FET cycles. INTERVENTION(S): In the thinning group, more than ...
Abu-Musa Antoine - - 2008
OBJECTIVE: To assess the effect of 17alpha-hydroxyprogesterone caproate (17-HPC) given before embryo transfer on the pregnancy outcome of IVF-embryo transfer (ET) cycles. DESIGN: Randomized controlled study. SETTING: A university-based hospital IVF unit. PATIENT(S): One hundred twenty-five consecutive patients undergoing IVF-ET were randomly assigned into treatment and control groups. INTERVENTION(S): In ...
Styer Aaron K - - 2008
OBJECTIVE: To compare the respective pregnancy outcomes of cycles undergoing fresh elective single-blastocyst transfer (eSBT) and double-blastocyst transfer (DBT) after IVF. DESIGN: Retrospective medical record review. SETTING: Academic medical center. PATIENT(S): Couples undergoing fresh blastocyst transfer after IVF. INTERVENTION(S): One thousand, four hundred, ninety-nine consecutive IVF cycles from January 1, ...
Selman Helmy - - 2007
This study was designed to examine the effect of bacterial contamination on in vitro fertilization treatment outcomes. In a prospective clinical trial, 152 patients aged 23-38 years, mean 33.3 +/- 4.6, undergoing IVF treatment were selected for this study. During embryo transfer, separate samples were collected for microbial examination from ...
Faraj Radwan - - 2008
OBJECTIVE: To describe a case of monozygotic triplet pregnancy following egg donation and the transfer of a single frozen-thawed embryo. DESIGN: Case report. SETTING: District general hospital and regional department of fetal medicine in northeast England. PATIENT(S): A 38-year-old woman with a 2-year history of primary infertility due to severe ...
Kinlock Timothy W TW Social Research Center, Friends Research Institute, Baltimore, MD 21201, USA. - - 2007
Despite its effectiveness, methadone maintenance is rarely provided in American correctional facilities. This study is the first randomized clinical trial in the US to examine the effectiveness of methadone maintenance treatment provided to prisoners with pre-incarceration heroin addiction. A three-group randomized controlled trial was conducted between September 2003 and June ...
Lin Hwang-Chi - - 2008
Several different in vivo and in vitro bioassays are used to evaluate melanosome transfer efficacy from melanocytes to keratinocytes. However, these methods are complicated and time consuming. Here, we report on a simple, rapid, direct, and reliable in vitro method for observing the process of melanosome transfer from melanocytes to ...
Roussev Roumen G - - 2007
Human leukocyte antigen G (HLA-G) is thought to play a key role in implantation by modulating cytokine secretion to control trophopblastic cell invasion and to maintain a local immunotolerance. The literature is reviewed to provide a description of the genetic background, properties of the protein, and the function of HLA-G. ...
Hiraoka Kenichiro - - 2007
The objective of this study was to investigate whether a change in assisted hatching technique from partial opening to total removal of the zona pellucida improved the outcome of vitrified blastocyst transfer. This was a preliminary observational study conducted from November 2003 to April 2006. Partial opening using acid Tyrode's ...
Lundin Kersti - - 2007
Randomized control trials have shown that single embryo transfer (SET) results in lower live birth rates than double embryo transfer (DET), while observational, retrospective studies find no decrease in overall live birth rate when using a SET policy. The cumulative (fresh transfer followed by frozen - thawed transfers of embryos ...
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