Human Reproduction, Vol. 10, No. 7, pp. 1715-1718, 1995
© 1995 European Society of Human Reproduction and Embryology
research-article |
Immunology: Mock embryo transfer with a full bladder immediately before the real transfer for in-vitro fertilization treatment: the Birmingham experience of 113 cases
Assisted Conception Unit, University of Birmingham, Birmingham Maternity Hospital Birmingham B15 2TG, UK
Correspondence: 1To whom correspondence should be addressed at: Academic Department of Obstetrics and Gynaecology, Birmingham Maternity Hospital, Birmingham B15 2TG, UK
The technique of embryo transfer can have a great impact on the outcome of in-vitro fertilization (IVF) treatment. Transcervical embryo transfer is a blind procedure and difficulty can unexpectedly arise. Many IVF programmes therefore perform a mock embryo transfer prior to the treatment cycle to determine the most suitable catheter and technique for transfer. This, however, adds an extra separate procedure with time and cost implications. Moreover, as the uterus is mobile, its direction may vary on the day of the embryo transfer from what it was during the mock embryo transfer. Performing mock embryo transfer immediately before the real transfer would circumvent these problems. We report here on 113 embryo transfer procedures where a step-wise mock embryo transfer protocol was performed with a full bladder immediately before the embryo transfer. The number of embryos transferred (mean ± SD) was 2.6 ± 0.67, the pregnancy rate per embryo transfer was 45.1%, and the intrauterine implantation rate per embryo transferred was 20.6%.
Key words: embryo transfer/in-vitro fertilization/mock transfer
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