Search Results
Results 201 - 250 of 1951
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Gunby Joanne - - 2010
OBJECTIVE: To present a report on assisted reproductive technologies (ART) cycles performed in 2006 in Canada and show trends in outcomes over time. This is the sixth annual report from the Canadian ART Register (CARTR). DESIGN: Prospective cohort study. SETTING: Twenty-five of 25 ART centers in Canada. PATIENT(S): Couples undergoing ...
Thomas Mika R - - 2010
OBJECTIVE: To determine the clinical factors associated with blastocyst development and pregnancy. DESIGN: Evaluation of a prospectively collected IVF database. SETTING: An academic IVF practice. PATIENT(S): Couples (n = 529) undergoing their first IVF cycle who qualified for extended embryo culture (more than six zygotes) over the past 5 years. ...
Bozdag Gurkan - - 2009
OBJECTIVE: To determine the impact of endometrial thickness and texture on clinical pregnancy, implantation and miscarriage rates in intracytoplasmic sperm injection (ICSI) and embryo transfer cycles. STUDY DESIGN: A total of 758 consecutive infertile women (n = 1,087 cycles) undergoing ICSI and embryo transfer (ET) because of severe male factor ...
Kilani Zaid - - 2009
OBJECTIVE: To report a case with successful pregnancy using hysteroscopic guided embryo transfer (ET). DESIGN: Case report. SETTING: The Farah Hospital (a private tertiary referral fertility center). PATIENT(S): A healthy woman with previous ICSI trial for male factor infertility underwent a repeat ICSI trial. INTERVENTION(S): Embryo transfer was done under ...
Reh Andrea - - 2010
OBJECTIVE: To compare rates of implantation, pregnancy, miscarriage, multiple gestation, and selective reduction between patients undergoing day 5 (d5) and day 3 (d3) ETs. DESIGN: Retrospective cohort study. SETTING: University-based IVF center. PATIENT(S): The first d5 ET cycle of patients 42 years of age from 2003 to 2006 was compared ...
Gera Puja S - - 2010
OBJECTIVE: To investigate the strategies used to decrease the risk of ovarian hyperstimulation syndrome (OHSS) and their impact on pregnancy and live birth rates. DESIGN: Retrospective cohort analysis. SETTING: University hospital. PATIENT(S): One hundred eighty-eight patients undergoing fresh in vitro fertilization (IVF) cycles between 2000 and 2004, with peak serum ...
Choi Dong-Hee - - 2009
BACKGROUND: Intramural pregnancy associated with adenomyosis after in vitro fertilization and embryo transfer is a rare occurrence. CASE: A 37-year-old woman presented with a history of 2 dilation and curettage procedures after 2 miscarriages in the first trimester. She underwent transvaginal ultrasound and systemic and sonography-guided local methotrexate injection. RESULT: ...
Noreh L J - - 2009
BACKGROUND: Infertility is a common problem affecting up to ten per cent of married couples. A systematic evaluation of aetiologic factors forms the basis for choice of treatment and future fertility. On the global perspective, Assisted Reproductive Technologies (ART) has become internationally recognised treatment option for some infertile couples. A ...
Hovatta Outi - - 2009
This prospective observational post-marketing survey aimed at studying the efficacy and convenience of the follitropin alpha filled-by-mass (FbM) pre-filled pen for patients in routine use. These data were analysed among 3196 non-selected treatment cycles and couples in seven Northern European countries. Valuable information was also obtained regarding the routine assisted ...
Muñoz Manuel - - 2009
There is very little information available regarding the relevance of the position of embryo replacement during ET and the different anatomic characteristics of the recipient in the transfer process and on the result of assisted reproduction techniques. We prospectively analyzed, using multivariate regression analysis, 375 ETs, 177 of which were ...
Berin Inna - - 2010
OBJECTIVE: To compare outcomes of frozen embryo transfer (FET) cycles when two or three embryos were transferred in women aged <40 years. DESIGN: Retrospective chart review. SETTING: A university-affiliated IVF program. PATIENT(S): Women undergoing FET cycles between January 2004 and December 2005. INTERVENTION(S): Transfer of two or three embryos. MAIN ...
Veleva Zdravka - - 2009
BACKGROUND: Although elective single embryo transfer (eSET) minimizes the multiple birth rate after in vitro fertilization (IVF)/intra cytoplasmic sperm injection (ICSI), there remain concerns in many countries that it is less effective and more expensive than conventional double embryo transfer (DET). METHODS: We compared the clinical outcome achieved in the ...
Biringer Kamil - - 2009
OBJECTIVE: To report a case of delayed delivery of twins following pelvic abscess that required laparotomy after uncomplicated IVF-ET. DESIGN: Case report. SETTING: Department of Perinatology. PATIENT(S): A 32-year-old nulliparous woman after IVF-ET. INTERVENTION(S): In vitro fertilization and ET, laparotomy, observation in the hospital. MAIN OUTCOME MEASURE(S): Delayed delivery following ...
Shapiro Bruce S - - 2010
OBJECTIVE: To determine whether embryo cryopreservation in cycles with elevated preovulatory P followed by thaw, extended culture, and transfer results in greater ongoing pregnancy rates than fresh blastocyst transfer. DESIGN: Retrospective matched cohort study. SETTING: Private fertility center. PATIENT(S): The study group consisted of 118 consecutive thaws of bipronucleate (2PN) ...
Hagemann Andrea R - - 2010
OBJECTIVE: To determine whether assisted hatching is beneficial to IVF patients younger than 38 years whose embryos have a thickened zona pellucida (ZP). DESIGN: Prospective, randomized, double-blinded, crossover study. SETTING: University-based infertility center. PATIENT(S): One hundred twenty-one women less than 38 years of age, undergoing IVF at Washington University between ...
Allahbadia Gautam N - - 2010
OBJECTIVE: To compare the performance of the SureView catheter, a new ultrasonic embryo transfer (ET), with the classic Wallace catheter during ultrasound-guided ET. DESIGN: Prospective, randomized study. SETTING: Private, academically affiliated clinic. PATIENT(S): 175 patients undergoing donor egg in vitro fertilization with ET (IVF-ET). INTERVENTION(S): Ultrasound-guided ET by a single ...
Okohue J E - - 2009
The value of measuring the endometrial thickness and studying the endometrial receptivity in the context of assisted conception remains a contentious issue. A prospective analysis was carried out to determine the effect of endometrial thickness on IVF - embryo transfer/ICSI outcome in dedicated Assisted Reproductive Technology (ART) units in Abuja ...
Baskett Thomas F - - 2009
OBJECTIVE: To determine the factors leading to maternal critical care in a tertiary obstetric hospital and the associated trends. METHODS: We conducted a review of the medical records of all women who required transfer for critical care from a free-standing obstetric unit to a general hospital over a 24-year period ...
Mullin Christine M - - 2010
OBJECTIVE: To determine whether there is a difference in pregnancy outcomes, stratified by age, between women undergoing elective single blastocyst transfer (eSBT) versus those undergoing double blastocyst transfer (2BT). DESIGN: Retrospective analysis. SETTING: University IVF center. PATIENT(S): A total of 1,141 nondonor IVF cycles in women aged <40 years from ...
Sun Yingpu - - 2009
OBJECTIVE: To determine the best site for embryo placement in uterine cavities of varying shapes. METHOD: In this prospective investigation, 638 embryo transfers were allocated to two groups: for group 1 (n=558) embryos were transferred into uterine cavities of normal shape; for group 2 (n=80) embryos were transferred into uterine ...
Papanikolaou Evangelosa G - - 2010
OBJECTIVE: To compare the incidence of monozygotic twinning between cleavage-stage and blastocyst-stage embryo transfer in a large cohort of patients undergoing single embryo transfer. DESIGN: Retrospective study. SETTING: Dutch-speaking Free University of Brussels. PATIENT(S): This study covered the period between July 2003 and December 2005. 1,951 fresh IVF/ICSI cycles in ...
Nyboe Andersen A - - 2009
BACKGROUND: Results of assisted reproductive techniques from treatments initiated in Europe during 2005 are presented in this ninth report. Data were mainly collected from existing national registers. METHODS: From 30 countries, 923 clinics reported 418 111 treatment cycles including: IVF (118 074), ICSI (203 329), frozen embryo replacement (79 140), ...
Sharara Fady I - - 2010
OBJECTIVE: To study the incidence of monozygotic twins (MZT) in blastocyst and cleavage stage ET. DESIGN: Retrospective review. PATIENT(S): Four hundred ninety-six women undergoing IVF/intracytoplasmic sperm injection cycles at a private assisted reproductive technology (ART) center. INTERVENTION(S): Patients undergoing ART were divided according to the stage of ET into blastocyst ...
Bellver José - - 2010
OBJECTIVE: To compare embryo quality and reproductive outcome in our IVF program according to the women's body mass index (BMI). DESIGN: Retrospective study. SETTING: University-affiliated infertility clinic, between January 2001 and April 2007. PATIENT(S): Women undergoing a total of 6,500 IVF-intracytoplasmic sperm injection (ICSI) cycles. INTERVENTION(S): Six thousand five hundred ...
Luo Xiping - - 2009
OBJECTIVE: To evaluate the incidence, predisposing factors, early diagnosis and treatment options of heterotopic pregnancy (HP) following in vitro fertilization and embryo transfer (IVF-ET) procedure. METHODS: A retrospective review study was performed to identify the HP cases after IVF-ET at the Reproductive Centre in Guangdong Women and Children's Hospital in ...
Jee Byung Chul - - 2009
BACKGROUND/AIMS: The aim of this meta-analysis was to determine whether frozen embryo transfer (ET) increases ectopic pregnancy (EP) rate compared with fresh ET. METHODS: A meta-analysis was performed of data from seven comparative studies including 13,059 pregnancies that resulted from nondonor in vitro fertilization cycles. RESULTS: The EP rate was ...
Noyes Nicole - - 2009
Although several early IVF successes were achieved after transferring fully formed blastocysts, the majority of embryos replaced worldwide over the past 30 years have been at the cleavage stage. The programme at this study centre has previously found that delaying an embryo transfer to day 5 can reduce the chance ...
Giannaris Dimitrios - - 2009
OBJECTIVE: To present a successful IVF frozen-embryo replacement cycle in a 44-year-old woman, using her own oocytes. DESIGN: Case report. SETTING: Assisted reproduction unit in a university hospital. PATIENT(S): A 44-year-old woman underwent IVF frozen-embryo replacement cycle after three unsuccessful IVF fresh cycles with her own oocytes. The couple were ...
Check J H - - 2009
PURPOSE: To determine the pregnancy rates according to age in women failing to conceive after three previous embryo transfers or having a husband whose sperm shows a DNA fragmentation index (DFI) > 30% when performing the sperm chromatin structure assay. METHODS: Women up to age 45 were included and there ...
Gerris Jan - - 2009
Despite the progress made in assisted reproductive technology, live birth rates remain disappointingly low. Multiple-embryo transfer has been an accepted practice with which to increase the success rate. This has led to a higher incidence of multiple-order births compared with natural conception, which not only increase the risk of mortality ...
Traub Michael L - - 2009
BACKGROUND: In-vitro fertilization (IVF) with blastocyst as opposed to cleavage stage embryos has been advocated to improve success rates. Limited information exists on which to predict which patients undergoing blastocyst embryo transfer (BET) will achieve pregnancy. This study's objective was to evaluate the predictive value of patient and cycle characteristics ...
Kumbak B - - 2009
Endometrial thickness is one of the parameters contributing to the outcome of assisted reproduction treatment. The aim of the current study was to investigate the pregnancy rate and the outcome when the endometrial thickness was <7 mm during a treatment cycle. Treatments conducted between January 2000 and December 2004 at ...
Check J H - - 2009
PURPOSE: To determine if either too little or too much of a rise in serum progesterone (P) on the day after human chorionic gonadotropin (hCG) injection has any negative impact on pregnancy outcome following in vitro fertilization-embryo transfer (IVF-ET). METHODS: Retrospective review. Three progesterone groups established--low, normal and high. RESULTS: ...
Liebermann Juergen - - 2009
Transfer of blastocyst-stage embryos has been shown to increase pregnancy rates while allowing for improved selection of potentially viable embryos. At this late stage of development, lower numbers of embryos can be transferred, resulting in less high-order multiple pregnancies and increased implantation rates. Between January 2004 and February 2009, 8449 ...
La Sala Giovanni B - - 2009
OBJECTIVE: To assess the perinatal outcomes of the first three years under the 2004 Italian reproductive legislation obligating transfer of all embryos resulting from insemination of < or =3 oocytes. STUDY DESIGN: We compared the perinatal results of clinical assisted reproductive technology (ART) pregnancies during the three years following the ...
Bromer Jason G - - 2009
Infertile patients over the age of 40 are generally considered to have a low chance of success with assisted cycles despite high numbers of embryos transferred. The risk of multiple pregnancy in this group of patients is not well established. The present study determined the rate of embryos that fail ...
Shebl Omar - - 2009
The purpose of this case-control study was to compare implantation, pregnancy, and live birth rate of cryopreserved embryos with that of fresh embryos. A total of 1,488 assisted reproductive technology (ART) trials including 188 cryopreserved embryo replacement trials were reviewed. After proofing the exclusion criteria, 112 patients undergoing a cryopreserved ...
Mangalraj Ann M - - 2009
To evaluate the efficacy of blastocyst transfer in comparison with cleavage stage embryo in a similar cohort of women. Retrospective analysis. University teaching hospital. Women aged 35 or less undergoing in vitro fertilization/intracytoplasmic sperm injection between January 2005 and December 2006 were included in the study. When four or more ...
Kong Grace Wing Shan - - 2009
This investigation assessed the effect of serum estradiol levels on outcomes of in-vitro fertilization and embryo transfer (IVF) cycles. This was a retrospective cohort study of 1123 IVF cycles comparing impact of estradiol (E(2)) levels on follicular development, fertilization, embryo quality, implantation, pregnancy rate, miscarriage rate, and selected obstetric complications. ...
Baruffi Ricardo L R - - 2009
It has become an accepted procedure to transfer more than one embryo to the patient to achieve acceptable ongoing pregnancy rates. However, transfers of more than a single embryo increase the probability of establishing a multiple gestation. Single-embryo transfer can minimize twin pregnancies but may also lower live birth rates. ...
Derks Roos S - - 2009
Embryo transfer (ET) is the final and most vulnerable step in in vitro fertilisation (IVF) treatment. Pregnancy rates after ET may be influenced by several factors including cervical preparation, the performance of a dummy or mock transfer, the choice of catheter, the use of ultrasound guidance, removing the mucus or ...
Hannoun Antoine - - 2009
To assess the effect of wearing powdered gloves during embryo transfer as compared to un-powdered gloves on the pregnancy outcome of IVF cycles. Patients, undergoing embryo transfer procedures, were prospectively randomized into two groups: In the first (group A, n=356) group embryo transfer was performed while wearing powdered gloves; in ...
Wong I - - 2009
BACKGROUND: Radical trachelectomy (RT) has been established as a valuable fertility-preserving treatment in women with early stage cervical cancer. A number of these women will require assisted conception which may bring certain challenges to those managing treatment. An awareness of those challenges is essential to maximize outcome in terms of ...
Yao Zhan - - 2009
BACKGROUND: Embryo transfer is a crucial step in the IVF process. Most randomized prospective studies comparing transfer catheters have demonstrated significantly higher pregnancy rates with soft versus firm catheters, but none have taken the operator effect into account. Our aim was to perform a prospective randomized clinical trial comparing two ...
Mor Eliran - - 2009
PURPOSE: To report implantation and pregnancy rates following TET in women with anomalous uteri, and to compare these with previously reported rates following trans-cervical ET. MATERIALS AND METHODS: Between 1995 and 2003, 12 TET procedures were performed in seven women with Müllerian anomalies. Tubal ET was performed via laparoscopy 48 ...
Winger Edward E - - 2009
The purpose of this study was to investigate whether treatment with TNF-alpha inhibitors and/or intravenous immunoglobulin (IVIG) increases in vitro fertilization (IVF) success rates among young (<38 years) women with infertility and T helper 1/T helper 2 cytokine elevation. Seventy-five sub-fertile women with Th1/Th2 cytokine elevation were divided into four ...
Kahyaoglu Serkan - - 2008
AIMS: The objective of this study is to evaluate the in vitro fertilization and embryo transfer results of patients with endometriomas pretreated with laparoscopic cystectomy and cauterization compared with age-matched tubal infertility patients. METHODS: Records of the in vitro fertilization and embryo transfer unit have been retrospectively reviewed from September ...
Mui Lam Po - - 2008
OBJECTIVE: To determine whether early luteal-phase vaginal progesterone supplementation improves the outcome of in vitro fertilization-embryo transfer (IVF-ET). METHODS: A randomized, controlled trial was conducted on 197 women undergoing IVF-ET cycles with human chorionic gonadotropin (hCG) as the standard luteal-phase support. The participants were randomly assigned to either the study ...
Shapiro Bruce S - - 2009
OBJECTIVE: To describe success rates with bipronuclear (2PN) oocyte cryopreservation, followed by thaw, extended culture, and blastocyst transfer. DESIGN: Retrospective study. SETTING: Private fertility center. PATIENT(S): There were 48 blastocyst transfers after post-thaw extended culture in patients less than 35 years old and 43 transfers in patients 35-40 years old. ...
Hiraoka Kenichiro - - 2008
This case report describes successful pregnancies after vitrification of human day-7 blastocysts. A total of 16 day-7 blastocysts were vitrified and warmed. All 16 blastocysts survived after warming and were transferred to 11 patients. Six of the women (55%) became clinically pregnant and the implantation rate was 44% (7/16). Among ...
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