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J Assist Reprod Genet. 2007 May;24(5):189-93. Epub 2007 Mar 8.

The impact of the depth of embryo replacement on IVF outcome.

Author information

1
Dipartimento di Scienze Ginecologiche, Perinatologia e Puericultura Policlinico Umberto I Università di Roma, La Sapienza Viale Regina Elena, Rome, Italy. arypac@aliceposta.it

Abstract

PURPOSE:

To evaluate the effect of the depth of embryo transfer replacement on clinical pregnancy rate.

METHODS:

Data from a total of 104 consecutive embryo transfers performed on 104 women aged 26-37 years were prospectively collected for this study. All patients underwent a standard down regulation protocol for ovarian stimulation. Oocytes retrieval were performed at 36 h after hCG administration. Embryo transfer took place at 48 h after insemination. The patients were matched in two groups according to the distance between the tip of the catheter and the uterine fundus at transfer (group A > 10 < 15 mm and group B < or = 10 mm). The same method of loading embryos into the embryo transfer catheter was used.

RESULTS:

Clinical pregnancy rates varied significantly (p < or = 0.05) between the two groups: 27.7% in group A and 14% in group B. The number and quality of embryos transferred did not differ between the groups.

CONCLUSIONS:

The results suggest that the depth of embryo replacement may be an important variable in embryo transfer technique.

PMID:
17342426
PMCID:
PMC3455059
DOI:
10.1007/s10815-007-9110-4
[Indexed for MEDLINE]
Free PMC Article

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