Ultrasound guidance during embryo transfer: a systematic review and meta‐analysis of randomized controlled trials

Teixeira, D. M.; Dassunção, L.A.; Vieira, C.V.; Barbosa, Marco Aurélio A.; Neto, M.A. Coelho; Nastri, C.O.; Martins, Wellington P.

doi:10.1002/uog.14639

Cited by 45 publications

(32 citation statements)

References 53 publications

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“…Where a significant difference was observed, we determined the number needed to treat for an additional beneficial outcome (NNTB) or an additional harmful outcome (NNTH). A random‐effects model was chosen because we should not assume that the true‐effect size is the same across studies as doses were different; additionally a random‐effects model incorporates the observed heterogeneity among studies, obtaining more conservative CIs.…”

Section: Methodsmentioning

confidence: 99%

Dydrogesteronevsprogesterone for luteal-phase support: systematic review and meta-analysis of randomized controlled trials

Barbosa

Silva

Navarro

et al. 2016

Ultrasound Obstet Gynecol

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Section: Methodsmentioning

confidence: 99%

Dydrogesteronevsprogesterone for luteal-phase support: systematic review and meta-analysis of randomized controlled trials

Barbosa

Silva

Navarro

et al. 2016

Ultrasound Obstet Gynecol

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“…Endometrial thickness (EnT) directly reflects histological thickness, while endometrial pattern (EnP) changes in lockstep with the menstrual cycle, correlating closely with morphologic assessment of endometrial biopsies (24,25). While endometrial histology has long been recognized to inform the optimal window of implantation (26), the influence of EnT and EnP on endometrial receptivity and pregnancy rates (PR) has been intensively explored but not conclusively answered (27,28). …”

Section: Introductionmentioning

confidence: 99%

Endometrial pattern, but not endometrial thickness, affects implantation rates in euploid embryo transfers

Gingold

Lee

Rodriguez-Purata

et al. 2015

Fertility and Sterility

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Objective To evaluate the relation of endometrial thickness (EnT) and endometrial pattern (EnP) to euploid embryo transfer (ET) outcomes. Design Retrospective cohort Setting Private academic clinic Patients Patients (n=277, 36.1±4.0 years) whose embryos (n=476) underwent aneuploidy screening with fresh (n=176) or frozen (n=180) ET from July 2010–March 2014. Interventions EnT and EnP were measured on trigger day and at ET. Patients were stratified by age and cycle type (fresh or frozen). Cycle data were combined at trigger day but separated at ET day. Main Outcome Measures Outcome measures were implantation (IR), pregnancy (PR) and clinical pregnancy (CPR) rates. Analysis was conducted by chi-square and Fisher exact test with significance at p<0.05. Results 234 gestational sacs, 251 pregnancies and 202 clinical pregnancies resulted from 356 cycles. EnT (9.6±1.8mm; range 5–15mm) at trigger day (n=241 cycles) as a continuous or categorical (≤8 vs >8mm) variable was not associated with IR, PR or CPR. EnT at day of fresh (9.7±2.2mm; range 4.4–17.9mm) (n=176 cycles) or frozen ET (9.1±2.1mm; range 4.2–17.7mm) (n=180 cycles) was not associated with IR, PR or CPR. Type 3 EnP at trigger day was associated with increased serum progesterone at trigger and decreased IR compared with type 2 EnP. EnP at fresh or frozen ET was not associated with IR, PR or CPR. Conclusions Within the study population, EnT was not significantly associated with clinical outcomes of euploid ETs. A type 3 EnP at trigger day suggests a prematurely closed window of implantation.

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“…In all women (Group A and Group B), transfers were performed by the same operator, without difficulty, under ultrasound guidance, up to 1.5 cm from the uterine fundus, using a 18-cm Wallace Sure View Embryo Replacement catheter (CE118) [20].…”

Section: Methodsmentioning

confidence: 99%

Successful use of “Hour 1” transfer of sperm microinjected oocytes in natural cycles of poor responder women: a prospective randomized controlled pilot study

Aragona

Linari

Micara

et al. 2015

Gynecological Endocrinology

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The aim of the study is to demonstrate the successful use of "Hour 1" transfer of sperm microinjected oocytes in natural cycles of poor responder women. Seventy women were selected from 92 consecutive poor responders undergoing intracytoplasmatic sperm injection (ICSI) in a natural cycle at our Sterility and Assisted Reproduction Unit from September 2009 to July 2013, and randomly distributed in two homogeneous groups: Group A or B. Women in Group A (35) underwent transfer within 1 h after ICSI; Group B (35, control group) underwent transfer 3 days after ICSI. In Group A, seven clinical pregnancy and one miscarriage occurred; in Group B, eight clinical pregnancies and two miscarriages were observed. Pregnancy, miscarriage, term pregnancy and overall live birth rates' difference between the two groups was not statistically significant (p > 0.05). Difference between the two groups in terms of timing, type of delivery and newborn birthweight was not observed. Neither ectopic pregnancy nor multiple pregnancies occurred. "Hour 1" uterine transfer of ICSI oocytes, still to be considered with caution because of the relatively low number of observations of the pilot study, deserves further attention on a larger scale, and might be evaluated for clinical and financial effectiveness in other clinical settings.

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Ultrasound guidance during embryo transfer: a systematic review and meta‐analysis of randomized controlled trials

Cited by 45 publications

References 53 publications

Dydrogesteronevsprogesterone for luteal-phase support: systematic review and meta-analysis of randomized controlled trials

Dydrogesteronevsprogesterone for luteal-phase support: systematic review and meta-analysis of randomized controlled trials

Endometrial pattern, but not endometrial thickness, affects implantation rates in euploid embryo transfers

Successful use of “Hour 1” transfer of sperm microinjected oocytes in natural cycles of poor responder women: a prospective randomized controlled pilot study

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