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Ovulation induction with gonadotropins and intrauterine insemination compared with in vitro fertilization and no
C M Peterson1, H H Hatasaka, K P Jones
1Department of Obstetrics and Gynecology, University of Utah School of Medicine, Salt Lake City.
Objectives:
To determine whether one to four cycles of ovulation induction with hMG and IUI or one cycle of IVF results in the highest pregnancy rate and is least expensive and whether published pregnancy rates for one to four cycles of hMG and IUI results in a higher pregnancy rate than rates for one cycle of IVF, zygote intrafallopian transfer (ZIFT), or GIFT.
Design:
Prospective, nonrandomized, cohort study. Patients were excluded who were infertile for < 18 months, had a significant male factor, had greater than mild endometriosis, or had bilateral nonpatency of the fallopian tubes. Cohort groups included 47 hMG and IUI patients (99 cycles), 19 IVF patients (19 cycles), and 21 patients (210 cycles) receiving no treatment. A meta-analysis on accumulated hMG and IUI data using similar entry criteria was also performed. Theoretical calculations were performed and stable fecundity assumed to compare with national data on IVF, ZIFT, and GIFT.
Setting:
Fertility Center, Division of Reproductive Endocrinology, University of Utah, Salt Lake City, Utah.
Results:
A course of therapy with one to four cycles of hMG and IUI was just as effective as one cycle of IVF in achieving pregnancy. No significant difference in pregnancy rates was found between one IVF cycle and one to four cycles of hMG and IUI in our population. In vitro fertilization was more expensive than four cycles of hMG and IUI. Both IVF and hMG and IUI were more effective than no therapy. Published data also suggest that four cycles of hMG and IUI theoretically result in higher pregnancy rates than one cycle of IVF, ZIFT, or GIFT.
Conclusion:
Cost-benefit analysis comparing hMG and IUI, IVF, and no therapy in infertility patients may favor a course of four cycles of hMG and IUI as the first line of therapy. Using meta-analysis and theoretical assumptions, the pregnancy rate for one cycle of hMG and IUI is inferior to IVF, GIFT, or ZIFT; two cycles are comparable to IVF or ZIFT and inferior to GIFT; three cycles are superior to IVF or ZIFT and comparable to GIFT; and four cycles are theoretically superior to all techniques.