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Transmyometrial embryo transfer after difficult immediate mock transcervical transfer
1Assisted Conception Unit, University of Birmingham, Birmingham Maternity Hospital, United Kingdom.
Fertility and Sterility
|May 1, 1996
Summary
Ultrasound-guided transvaginal transmyometrial embryo transfer (ET) is a viable option for patients experiencing difficult transcervical ET. Mock transfers effectively identify candidates for this alternative method.
Area of Science:
- Reproductive Medicine
- Infertility Treatment
- Assisted Reproductive Technology
Background:
- Transcervical embryo transfer (ET) is a standard procedure in assisted conception.
- Difficult or impossible transcervical ET can pose challenges to successful implantation.
- Alternative ET methods are needed to improve outcomes in complex cases.
Purpose of the Study:
- To evaluate the efficacy of ultrasound-directed transvaginal transmyometrial ET.
- To determine its role within a stepwise protocol involving both transcervical and transmyometrial routes.
Main Methods:
- A prospective descriptive clinical study was conducted at a university-based assisted conception unit.
- Thirteen patients with difficult or impossible mock transcervical ET underwent ultrasound-directed transvaginal transmyometrial ET.
- Pregnancy and clinical pregnancy rates were the primary outcome measures.
Main Results:
- Four out of thirteen patients achieved pregnancy.
- Three of these pregnancies resulted in a clinical pregnancy.
- This demonstrates a potential success rate for the transmyometrial approach.
Conclusions:
- Ultrasound-directed transvaginal transmyometrial ET is a feasible alternative when transcervical ET is challenging.
- Pre-transfer mock transcervical ET can identify patients who would benefit from the transmyometrial route.
- This stepwise approach optimizes embryo transfer success.