Search Results
Results 351 - 400 of 1761
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Kolibianakis Efstratios M - - 2007
OBJECTIVE: To evaluate the effect of different human chorionic gonadotropin (hCG) doses on the ongoing pregnancy rates in patients with polycystic ovary syndrome (PCOS). DESIGN: Prospective, randomized, controlled trial. SETTING: Tertiary university referral center. PATIENT(S): Eighty PCOS patients. INTERVENTION(S): Patients were randomized to receive 10,000 IU (n = 28), 5000 ...
Esmailzadeh Seddigheh - - 2007
OBJECTIVES: To investigate whether endometrial thickness on the day of hCG administration is a predictor of intrauterine insemination (IUI) success. DESIGN: A retrospective study. PATIENT(S): Two hundred forty-nine women undergoing IUI cycles. SETTING: University hospital-based infertility center. INTERVENTION(S): Endometrial thickness on the day of hCG administration, cycle parameters, and sperm ...
Sakhel Khaled - - 2007
To compare the in vivo effectiveness of recombinant (r) hCG with urinary (u) hCG during controlled ovarian hyperstimulation and intrauterine insemination (COH-IUI) cycles. Prospective controlled clinical study. Private IVF center. Two hundred eighty-four subjects undergoing COH-IUI cycles. Women were randomized into receiving r-hCG or u-hCG for final maturation and induction ...
Pabuccu Recai - - 2007
To investigate the outcomes of intracytoplasmic sperm injection (ICSI) cycles after controlled ovarian hyperstimulation (COH) with GnRH antagonist or GnRH agonist (GnRH-a) in mild-to-moderate endometriosis and endometrioma. Prospective randomize trial. A private IVF center. A total of 246 ICSI cycles in 246 patients were divided into three groups: women with ...
Bellver José - - 2007
OBJECTIVE: To analyze the potential role of extraovarian factors such as endometrium in the reproductive outcome of obese patients. DESIGN: Retrospective study. SETTING: University-affiliated infertility clinic, between January 2001 and July 2005. PATIENT(S): Women undergoing a total of 2656 first ovum donation (OD) cycles with good quality embryos. INTERVENTION(S): The ...
Custers Inge M - - 2007
OBJECTIVE: To assess the accuracy of our recently developed prediction model in a prospective validation study to predict the outcome of intrauterine insemination (IUI). DESIGN: Descriptive prospective validation study. SETTING: Seven fertility centers in the Netherlands. PATIENT(S): Couples treated with IUI of whom the female partner had a regular cycle. ...
Soldevila Pedro N Barri - - 2007
Ovarian reserve is a crucial factor for normal ovarian response and the achievement of pregnancy after in vitro fertilization (IVF). Recently, the study of morphological markers by means of ultrasonographic counting of antral follicles (AFC) has proved useful. The present prospective study included 327 consecutive IVF patients who had a ...
Palep-Singh M - - 2007
Polycystic ovary syndrome (PCOS) is a heterogeneous syndrome. In vitro fertilization (IVF)/intracytoplasmic sperm injection (ICSI) is required for PCOS cases that are refractory to standard ovulation induction or have co-existing infertility factors in women with PCOS and Tubal factor subfertility. OBJECTIVES: Assess ethnic variations in response to IVF/ICSI treatment. STUDY ...
Hodgson David C - - 2007
Although ABVD (doxorubicin, bleomycin, vinblastine, dacarbazine) chemotherapy is infrequently associated with premature amenorrhea, little is known about the success rate of women attempting pregnancy following ABVD. In the present study females treated for HL with ABVD chemotherapy without pelvic radiation therapy (RT) and who were alive without relapse > or ...
Dayal Molina B - - 2007
The objective of this study was to assess the impact of assisted hatching (AH) on pregnancy rate (PR), clinical pregnancy rate (CPR), and implantation rate (IR) after a single failed, fresh, nondonor IVF cycle. Accordingly, we report that patients with one prior implantation failure benefit from AH with improved PR, ...
Frank-Herrmann P - - 2007
BACKGROUND: The efficacy of fertility awareness based (FAB) methods of family planning is critically reviewed. The objective was to investigate the efficacy and the acceptability of the symptothermal method (STM), an FAB method that uses two indicators of fertility, temperature and cervical secretions observation. This paper will recommend a more ...
Griesinger G - - 2007
BACKGROUND: A bolus dose of GnRH agonist can substitute for hCG as a trigger for the resumption of meiosis in ovarian stimulation with GnRH antagonists, which has been suggested to reduce the risk of ovarian hyperstimulation syndrome (OHSS). As the efficacy of this measure in fresh embryo transfer (ET) cycles ...
Proctor Jcoe Glenn JG - - 2007
A decision tree model was created to investigate pregnancy rates, as well as cost factors associated with rigid vs. flexible catheters. Although the flexible catheter costs more than the rigid catheter, it is associated with a higher pregnancy rate, which decreases costs of IUI treatment because fewer cycles are needed.
Berkkanoglu Murat - - 2007
OBJECTIVE: To assess the clinical effects of recombinant luteinizing hormone (LH) or low-dose recombinant human chorionic gonadotropin (hCG) supplementation administered in the midfollicular phase in microdose gonadotropin-releasing hormone analogue (GnRH-a) flare-up cycles. DESIGN: Prospective randomized study. SETTING: Private infertility clinic. PATIENT(S): A total of 170 women enrolled, with 145 women ...
Legro Richard S - - 2007
BACKGROUND: The polycystic ovary syndrome is a common cause of infertility. Clomiphene and insulin sensitizers are used alone and in combination to induce ovulation, but it is unknown whether one approach is superior. METHODS: We randomly assigned 626 infertile women with the polycystic ovary syndrome to receive clomiphene citrate plus ...
Stanford Joseph B - - 2007
Time to pregnancy, typically defined as the number of menstrual cycles required to achieve a clinical pregnancy, is widely used as a measure of couple fecundity in epidemiologic studies. Time to pregnancy studies seldom utilize detailed data on the timing and frequency of sexual intercourse and the timing of ovulation. ...
Foutouh Ismail Aboul - - 2007
Current purification processes allow the production of highly purified human menopausal gonadotrophin (HP-HMG), with human chorionic gonadotrophin (HCG) constituting most of its LH-like activity. This retrospective study aimed to compare the effectiveness of HP-HMG to the widely used traditional human menopausal gonadotrophin (HMG) preparation. A total of 174 women undergoing ...
Orvieto Raoul - - 2007
The aim of the study was to evaluate the influence of the ratios of estradiol (E2) to either the number of follicles >14 mm on the day of human chorionic gonadotropin administration (E2/follicle) or the number of oocytes retrieved (E2/oocytes) during controlled ovarian hyperstimulation (COH) with gonadotropin-releasing hormone (GnRH)-agonist (agonist ...
Robab Davar; Research and ...
BACKGROUND: This study was conducted to compare the success rate of daily administration of aromatase inhibitor letrozole at a dose of 5 mg when administrating clomiphene citrate (CC) 100 mg daily in women undergoing superovulation and IUI. METHODS: This prospective randomized trial was done in Research and Clinical Center for ...
McWilliams Grant D E - - 2007
OBJECTIVE: To assess the predictive ability of endometrial thickness and changes in endometrial thickness on pregnancy outcomes in patients undergoing IVF. DESIGN: Retrospective cohort analysis. SETTING: Academic IVF center. PATIENT(S): Infertile patients undergoing 132 fresh autologous IVF cycles. INTERVENTION(S): Transvaginal ultrasound to assess endometrial thickness at three defined points during ...
Kalu E - - 2007
Controlled ovarian hyper-stimulation (COH) in combination with intrauterine insemination (IUI) has been shown to result in significantly higher pregnancy rates compared to un-stimulated (natural cycle) IUI. This may however not be true in all ages. We performed a retrospective cohort study and analysed data collected prospectively on 1759 IUI cycles ...
Quinn Claire - - 2007
OBJECTIVE: To assess pinopode formation in human endometrium during the luteal phase of the menstrual cycle and in the first trimester of pregnancy. DESIGN: Prospective clinical study. SETTING: Outpatient infertility clinics and outpatient family planning clinic. PATIENT(S): Thirty-two regularly cycling infertile women, 15 regularly cycling fertile women, 9 women receiving ...
Bellver José - - 2007
OBJECTIVE: To evaluate and compare the risk of early pregnancy loss in patients stimulated with GnRH antagonist protocols according to oral contraceptive pill (OCP) pretreatment. DESIGN: Retrospective case-control study. SETTING: Instituto Valenciano de Infertilidad. University of Valencia. Spain. PATIENT(S): One thousand five hundred thirty-nine patients, aged <36, stimulated with GnRH ...
de Haas van Dorsser Florine J - - 2007
The Arabian leopard is a critically endangered subspecies endemic to the Arabian Peninsula. A fundamental understanding of the ovarian activity of the leopard is important to enhance the success with which it breeds in captivity. The objective of the present study was to characterise the endocrinology of the follicular cycle, ...
Steures Pieternel - - 2007
The aim of this retrospective study was to assess the results of intrauterine insemination (IUI) in The Netherlands, using data from 2003 taken from hospital annual reports and reports from individual gynaecologists. By extrapolation, the total number of IUI cycles performed that year nationwide, and the related outcomes, was estimated. ...
Saldeen Pia - - 2007
BACKGROUND: To evaluate the relationship between age and poor ovarian response to pregnancy and cancellation rate after IVF stimulation. METHODS: Poor ovarian response was defined as <or=5 follicles at ovum pick up (OPU). Out of 1,706 consecutive OPUs performed during 2003/2004, 290 poor responders were identified. This cohort of poor ...
Badawy Ahmed - - 2007
OBJECTIVE: To compare clomiphene citrate plus N-acetyl cysteine versus clomiphene citrate for inducing ovulation in patients with polycystic ovary syndrome. DESIGN: Prospective cross-over trial. SETTING: University teaching hospital and a private practice setting. PATIENTS: Five hundred and seventy-three patients were treated with clomiphene citrate for one menstrual cycle among which ...
Bensdorp A J - - 2007
Intra-uterine insemination (IUI) is one of the most frequently used fertility treatments for couples with male subfertility. Its use, especially when combined with ovarian hyperstimulation (OH) has been subject of discussion. Although the treatment itself is less invasive and expensive than others, its efficacy has not been proven. Furthermore, the ...
Bensdorp A J - - 2007
Intra-uterine insemination (IUI) is one of the most frequently used fertility treatments for couples with male subfertility. Its use, especially when combined with ovarian hyperstimulation (OH) has been subject of discussion. Although the treatment itself is less invasive and expensive than others, its efficacy has not been proven. Furthermore, the ...
Cantineau A E P - - 2007
Intrauterine insemination (IUI) combined with ovarian hyperstimulation (OH) has been demonstrated to be an effective form of treatment for subfertile couples. Several ovarian stimulation protocols combined with IUI have been proposed, but it is still not clear which stimulation protocol and which dose is the most cost-effective. To evaluate ovarian ...
Caperton L - - 2006
BACKGROUND: During an attempt to identify endocrine characteristics in the baboon that would more precisely predict ovulatory status for assisted reproductive techniques, we observed severe alterations in the menstrual cycle length upon introducing an environmental stress. This environmental stress involved moving animals from their baseline gang cage environment to individual ...
Baka Stavroula - - 2006
Management of women with a poor response to controlled ovarian hyperstimulation during IVF remains a frustrating challenge. The present study included 96 cycles from an equal number of women with a poor ovarian response and successful oocyte retrieval. Poor response was defined by the presence of at least one of ...
Wood Simon - - 2006
The effect of seasonality and daylight length on mammalian reproduction leading to spring births has been well established, and is known as photoperiodism. In assisted reproduction there is much greater uncertainty as to the effect of seasonality. This was a 4-year retrospective analysis of 2709 standardised cycles of IVF/ICSI. Data ...
Sermon K D - - 2007
The sixth report of the ESHRE PGD Consortium is presented, relating to cycles collected for the calendar year 2003 and follow-up of the pregnancies and babies born up to October 2004. Since the beginning of the data collections, there has been a steady rise in the number of cycles, pregnancies ...
McIlveen M - - 2007
BACKGROUND: Unexpectedly poor response leading to IVF cycle cancellation is a distressing treatment outcome. We have prospectively assessed several markers of ovarian reserve in a high risk IVF population to determine their utility in predicting IVF cycle cancellation. METHODS: Eighty-four women at high risk of cycle cancellation due to raised ...
Mahutte Neal G - - 2007
OBJECTIVE: To evaluate the role of GnRH antagonists in poor-responder protocols. DESIGN: Literature review. CONCLUSION(S): The optimum stimulation protocol for poor responders is unknown. Although many IVF programs currently use GnRH antagonists for poor responders, there have been only four prospective, randomized trials comparing GnRH antagonists to alternate protocols. None ...
Dankert T - - 2007
BACKGROUND: Controlled ovarian hyperstimulation with intrauterine insemination (IUI) is a widely accepted treatment for unexplained and male subfertility. No consensus exists about the drug of first choice to be used as hyperstimulation. This randomized multicentre trial using a parallel design compares the efficacy of clomiphene citrate (CC) with that of ...
De Rensis F - - 2007
Poor estrus expression and a prolonged intercalving interval compromise the reproductive efficiency of female buffaloes. These limitations are exacerbated during the hot season, when fertility decreases dramatically. Pregnancy rate decrease further because difficulties in detecting estrus. To improve reproductive efficiency, several protocols of estrus and ovulation synchronization have been developed. ...
Das Tuhin - - 2007
OBJECTIVE: To evaluate the significance of an estrogen-upregulated 64.0-kDa human uterine fluid (hUF) glycoprotein in relation to promotion of fertility. DESIGN: Prospective study. SETTING: Department of Assisted Reproductive Biology Unit, Institute of Reproductive Medicine, Kolkata. India. PATIENT(S): Sixty-three women with unexplained infertility having normal ovulatory cycle with normal endocrine profile ...
Robab Davar , Naeimeh ...
Objective: To compare the effects of letrozole 5mg and clomiphene citrate (CC) 100mg on total follicle number, endometrial thickness, hormone levels, pregnancy, miscarriage and OHSS rate in women undergoing superovulation and I.U.I. Material and methods: This study was done as a prospective randomized trial in Research and Clinical Center for ...
Mikolajczyk Rafael T - - 2006
Approaches to measuring fecundity include the assessment of time to pregnancy and day-specific probabilities of conception (daily fecundities) indexed to a day of ovulation. In this paper, we develop an additional approach of calculating expected pregnancies based on daily fecundities indexed to the last day of the menstrual cycle. Expected ...
Martin J Ryan - - 2006
In order to examine whether the duration of the follicular phase and changes in daily gonadotrophin dosages impact IVF outcome, a retrospective analysis of women who underwent oocyte retrieval and fresh embryo transfer was performed. Among the parameters assessed were the number of days of gonadotrophin stimulation, changes in the ...
Franco J G JG - - 2006
The aim of this meta-analysis was to compare the efficacy of gonadotrophin antagonist (GnRH-ant) versus GnRH agonist (GnRHa) as coadjuvant therapy for ovarian stimulation in poor ovarian responders in IVF/intracytoplasmic sperm injection cycles. Search strategies included on-line surveys of databases such as MEDLINE , EMBASE and others. A fixed effects ...
Acevedo Belen - - 2006
OBJECTIVE: To evaluate the implant capacity of embryos derived from oocytes matured with a bolus of GnRH agonist. DESIGN: Donors were randomly assigned to a protocol using either GnRH agonist or recombinant (r) hCG to trigger ovulation. Analysis of variance, Student t test, and Fisher exact test were used where ...
Robinson Janet E - - 2007
OBJECTIVE: To determine the effect on pregnancy rates through use of the Clearblue Easy Fertility Monitor (CEFM) in women trying to conceive. DESIGN: Prospective study, in which volunteers were randomly assigned either to use or not to use the CEFM. All participants could also use other aids to conception. Data ...
Novikova Natalia - - 2007
BACKGROUND: Although widely used, the mechanisms of action of the levonorgestrel emergency contraceptive pill (LNG ECP) are still unclear. There are increasing data to indicate that LNG is particularly effective as an ECP by interrupting follicular development and ovulation. An important outstanding question is whether it has any effect on ...
Crosignani P G - - 2007
BACKGROUND: The usefulness of GnRH antagonists in mild controlled ovarian hyperstimulation (COH) and intrauterine insemination (IUI) cycles is debated. METHODS: Two-hundred and ninety-nine couples with unexplained or mild male factor infertility were enrolled in this international multicentre randomized controlled trial. Women allocated to the GnRH antagonist group (n=148) received 50 ...
Bukulmez Orhan - - 2006
The outcome of a novel protocol utilizing precycle gonadotrophin-releasing hormone (GnRH) antagonist administration and LH activity support with microdose recombinant human chorionic gonadotrophin (HCG) was compared to GnRH agonist long protocol used in patients undergoing their first ICSI (n=707) or IVF (n=571) cycles, which had resulted in one or two ...
Sipe Christopher S - - 2006
To compare the ovarian and endometrial effects of anastrozole and clomiphene when used with gonadotropins in a combination protocol. Prospective randomized trial. Academic infertility center. Fifty infertile women. Women were randomized to receive either 1 mg anastrozole or 100 mg clomiphene citrate for 5 days (cycle days 3-7) followed by ...
Ragni G - - 2007
BACKGROUND: Although follicular vascularity has been shown to be a good indicator of oocyte quality in IVF, scant evidence is currently available on the predictive value of this variable in terms of pregnancy rate during controlled ovarian stimulation (COS) and intrauterine insemination (IUI) cycles. METHODS: Three-hundred and eighteen patients who ...
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