Comparison of unilateral and bilateral tubal transfer in gamete intrafallopian transfer (GIFT)

Gamete intrafallopian transfer (GIFT) is traditionally performed by delivering gametes into the ampullary region of either one or two fallopian tubes. The choice is made by the surgeon at the time of laparoscopy based upon the patient's anatomy, the number of oocytes available, and clinical jud...

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Bibliographic Details
Published in:Journal of In Vitro Fertilization and Embryo Transfer 1991-10, Vol.8 (5), p.276-278
Main Authors: PENZIAS, A. S, ALPER, M. M, OSKOWITZ, S. P, BERGER, M. J, THOMPSON, I. E
Format: Article
Language:English
Subjects:
Biological and medical sciences
Birth control
Fallopian Tubes - physiology
Fallopian Tubes - surgery
Female
Gamete Intrafallopian Transfer - methods
Gynecology. Andrology. Obstetrics
Humans
Laparotomy
Medical sciences
Oocytes - physiology
Pregnancy
Pregnancy Outcome - epidemiology
Retrospective Studies
Sterility. Assisted procreation
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Summary:Gamete intrafallopian transfer (GIFT) is traditionally performed by delivering gametes into the ampullary region of either one or two fallopian tubes. The choice is made by the surgeon at the time of laparoscopy based upon the patient's anatomy, the number of oocytes available, and clinical judgment. In this nonrandomized, retrospective review, 399 tubal gamete transfers were performed over a period of 18 months, 133 to a single tube and 266 to both tubes. A clinical pregnancy rate of approximately 24% was observed in each modality. The multiple pregnancy rate of 31.3% for one tube was not significantly different from the 25% seen for two tubes. Unilateral tubal transfer offers the distinct advantages of less gamete and tissue handling. This, along with the apparent same outcome parameters, makes unilateral tubal transfer the preferred method of returning gametes at GIFT.
ISSN:0740-7769
2331-3315
1573-7330
DOI:10.1007/BF01139784