Efficacy of Embryo Transfer Procedure Guided by Transvaginal Ultrasound Versus Abdominal Ultrasound in Oocytes Recipients

Evaluation of Efficacy of Embryo Transfer Procedure Guided by Transvaginal Ultrasound Versus Abdominal Ultrasound in Recipients of Oocytes. A Single-centre, Randomized Clinical Trial.

Status

Completed

Phases

Phase 4

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT01137461

Enrollment

330

Registered

2010-06-04

Start date

2010-06-30

Completion date

2010-10-31

Last updated

2011-04-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Infertility

Keywords

Female infertility with indication of oocyte reception

Brief summary

The objective of this study is to evaluate the efficacy of embryo transfer procedure guided by transvaginal ultrasound versus abdominal ultrasound in recipients of oocytes as well as the advantages and disadvantages of the new technique.

Interventions

PROCEDUREultrasound-guided embryo transfer

Embryo transfer in oocyte recipients

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Masking

NONE

Eligibility

Sex/Gender

FEMALE

Age

18 Years to 50 Years

Healthy volunteers

Yes

Inclusion criteria

* Oocyte recipients. * Uterus without previously detected anomalies. * Patients able to understand the study requirements who want to participate during all its duration and that have signed the informed consent.

Exclusion criteria

* Turner syndrome, Black race (significantly lower implantational rates)

Design outcomes

Primary

Measure	Time frame	Description
Clinical pregnancy rate	40 days after embryo transfer	Evidence of gestational sac by transvaginal ultrasound

Countries

Spain

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026