Clinical utility of the endometrial receptivity analysis in women with prior failed transfers.

PURPOSE: To determine the utility of the endometrial receptivity analysis (ERA) in women with prior failed embryo transfers (ET). METHODS: This was a retrospective study of patients who underwent an ERA test with a subsequent frozen ET. Women were classified based on their indication for an ERA test: (1) ≥ 1 prior failed ET (cases), or (2) as a prophylactic measure (controls). A subset analysis of women with ≥ 3 prior failed transfers was performed. Pregnancy outcomes of the subsequent cycle were examined, including conception, clinical pregnancy, and ongoing pregnancy/live birth. RESULTS: A total of 222 women were included, 131 (59%) women with ≥ 1 prior failed ET and 91 (41%) controls. Among the 131 women with ≥ 1 prior failed ET, 20 women (9%) had ≥ 3 prior failed ETs. The proportion of non-receptive ERA tests in the three groups were the following: 45% (≥ 1 prior failed ET), 40% (≥ 3 prior failed ETs), and 52% (controls). The results did not differ between cases and controls. The pregnancy outcomes did not differ between women with ≥ 1 prior failed ET and controls. In women with ≥ 3 prior failed ETs, there was a lower ongoing pregnancy/live birth rate (28% vs 54%, P = 0.046). CONCLUSION: Women with ≥ 1 prior failed ET and ≥ 3 prior failed ETs had a similar prevalence of non-receptive endometrium compared to controls. Women with ≥ 3 prior failed ETs had a lower ongoing pregnancy/live birth rate despite a personalized FET, suggesting that there are additional factors in implantation failure beyond an adjustment in progesterone exposure.

Chromosome abnormalities in embryos derived from microsurgical epididymal sperm aspiration and testicular sperm extraction.

OBJECTIVE: To evaluate the patterns of chromosome abnormalities in embryos derived from intracytoplasmic sperm injection (ICSI) in microsurgical epididymal sperm aspiration (MESA) or testicular sperm extraction (TESE) in comparison to embryos that are derived from naturally ejaculated (EJAC) patients. MATERIALS AND METHODS: Male partners with azoospermia who required MESA or TESE for ICSI were studied for chromosomal abnormalities. The ICSI patients with EJAC sperm served as the control group. Preimplantation genetic diagnosis (PGD) was performed by fluorescence in situ hybridization (FISH). Chromosome abnormalities were categorized as polyploidy, haploidy, aneuploidy, and complex abnormality (which involves more than two chromosomes). Fertilization, embryo development, and patterns of chromosome abnormalities were accessed and evaluated. RESULTS: There was no difference between the MESA, TESE, and EJAC patient groups in the rates of fertilization and pregnancy and the percentages of euploid embryos. In all three groups, less than one-half of the embryos for each group were normal (41 ± 31%, 48 ± 38%, and 48 ± 31% in MESA, TESA, and EJAC, respectively). Complex chromosomal abnormality was significantly more frequent in the MESA group than in the EJAC group (48.3% vs. 26.5%, respectively; p < 0.001). Furthermore, the overall pattern of chromosomal aneuploidy was similar among all three studied groups. CONCLUSION: We suggest that MESA and TESE, followed by ICSI and PGD, appear to be acceptable approaches for treating men with severe spermatogenesis impairment.

Saving time during laparoscopy using a new, wall anchoring trocar device.

OBJECTIVE: Safe and reliable access systems are crucial in laparoscopy, and trocar dislodgement is still a common and frustrating problem. Wall emphysema can occur besides the risky prolongation of the surgical procedure. Wall-anchoring components provide a better hold of the device. This comparative analysis assesses the frequency of dislodgement and a time-sparing effect on the intervention of 3 different trocar systems, including an innovation in the field of access-providing systems. METHODS: Patients who underwent laparoscopy for various gynecological indications were included and randomized consecutively into 3 groups according to the access system used in the intervention: (A) trocar fitted with a spiral thread on the sleeve, (B) trocar with plain sleeve, (C) trocar as in B together with a fixator. This novelty is installed on the trocar before insertion and then sutured to the abdominal wall. Intervention time, frequency of trocar corrections, and the time loss through correction were registered. Standard statistical analyses were performed. RESULTS: The cohort comprised 131 patients; 51 patients were consecutively randomized into group A, 38 into group B, and 42 into group C. Mean intervention time was different, shortest in C and highest in B. Frequency of interruption of the intervention due to adjustment of the device and time loss through adjustment was lowest in group C (fixator + plain sleeve) and highest in group B (plain-sleeve) (0.47 vs 0.29, P<0.05 and 2.13 minutes vs 0.69 minutes, P<0.05). CONCLUSION: Wall-anchoring components lead to higher stability of ports and have a time-sparing effect. Comparing the 2 trocar groups with wall-anchoring properties (trocar with thread-fitted sleeve vs fixator + trocar with plain sleeve), the mean operation time was lowest in the fixator group, and the time-saving effect was higher.

Successful outcome after preimplantation genetic screening and very delayed embryo transfer.

We report the positive outcome of a delayed single ET of a preimplantation genetic screening-defined embryo in an otherwise routine case of IVF-ET. To our knowledge, this is the first report of a fresh ET 48 hours longer than what is generally considered the limit of days after egg retrieval (six) to safely perform an ET.

Is gender selection an appropriate use of medical resources?

Gender selection by PGD is an appropriate use of medical resources. Children borne through PGD for gender determination would be welcome and would come into a couple's life at a planned, opportune time. If the practice were made more available through insurance coverage, the size and makeup of families could become a matter of choice rather than chance for couples favoring this approach.

Effect of prolonged gonadotropin-releasing hormone agonist therapy on the outcome of in vitro fertilization-embryo transfer in patients with endometriosis.

OBJECTIVE: To evaluate the effect of a 3-month course of GnRH agonist administered immediately before IVF-ET in infertile patients with endometriosis. DESIGN: Prospective, randomized trial. SETTING: Three tertiary care assisted reproductive technology programs. PATIENT(S): IVF-ET candidates with surgically confirmed endometriosis. INTERVENTION(S): Twenty-five patients received three courses of a long-acting GnRH agonist, 3.75 mg i.m. every 28 days, followed by standard controlled ovarian hyperstimulation. Twenty-six patients received standard controlled ovarian hyperstimulation with mid-luteal phase GnRH agonist down-regulation or microdose flare regimens. MAIN OUTCOME MEASURE(S): Response to controlled ovarian hyperstimulation, ongoing pregnancy rates per cycle, group implantation rates, and implantation rate per embryo transfer procedure. RESULT(S): The extent of surgically confirmed endometriosis was greater in patients who received the long-acting GnRH regimen for 3 months before IVF-ET. The groups did not differ significantly in terms of dose or duration of gonadotropin stimulation, number of oocytes retrieved, fertilization rate, or number of embryos transferred. Patients who received the long-acting GnRH regimen had significantly higher ongoing pregnancy rates (80% vs. 53.85%) and a trend toward higher implantation rates (42.68% vs. 30.38%). CONCLUSION(S): Prolonged use of GnRH agonist before IVF-ET in patients with endometriosis resulted in significantly higher ongoing pregnancy rates than did standard controlled ovarian hyperstimulation regimens. No deleterious effect on ovarian response was observed.