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Programmed gamete intrafallopian transfer (GIFT).

R G Bates1, P M Fielding, K S Lindsay

  • 1Chelsea Hospital for Women, London.

British Journal of Obstetrics and Gynaecology
|December 1, 1988
PubMed
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Programmed superovulation cycles combined with gamete intrafallopian transfer (GIFT) show promise for infertility treatment. Endocrinological monitoring helps predict cycle success before laparoscopy.

Area of Science:

  • Reproductive Medicine
  • Infertility Treatment
  • Assisted Reproductive Technologies

Background:

  • Unexplained infertility affects numerous couples globally.
  • Gamete intrafallopian transfer (GIFT) is an assisted reproductive technology used to treat infertility.
  • Programmed superovulation offers a structured approach to ovulation induction.

Purpose of the Study:

  • To evaluate the efficacy of programmed superovulation cycles in conjunction with GIFT for patients with unexplained infertility.
  • To assess the correlation between hormonal profiles and oocyte/embryo quality and pregnancy rates.
  • To determine the feasibility of using basic endocrinological monitoring to predict cycle outcomes.

Main Methods:

  • Retrospective analysis of 42 programmed superovulation cycles in 33 patients undergoing GIFT.

Related Experiment Videos

  • Mid-cycle norethisterone modification followed by a fixed superovulation regimen.
  • Monitoring of serum oestradiol, progesterone, and luteinizing hormone; ultrasound for ovulation exclusion.

    • Main Results:

    • Eleven clinical pregnancies (29%) resulted from 38 GIFT procedures.
    • Four twin and four singleton pregnancies are ongoing.
    • Significant correlation observed between oestradiol response, oocyte maturity, fertilization rates, and pregnancy rates.

    Conclusions:

    • Programmed superovulation cycles can be effectively combined with GIFT for infertility treatment.
    • Basic hormonal monitoring can identify cycles with a poor prognosis prior to laparoscopy.
    • This approach offers a convenient and potentially more predictable method for GIFT procedures.