Fertility and sterility · 1995
The results of in vitro fertilization-embryo transfer in couples with unexplained infertility failing to conceive with superovulation and intrauterine insemination.
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Gürgan T, Urman B, Yarali H, Kişnişçi H A
Аннотация
OBJECTIVE: To determine the results of IVF-ET in couples with long-standing unexplained infertility who had failed to conceive with four to six cycles of superovulation and IUI.
DESIGN: Retrospective case control series.
SETTING: University IVF-ET center.
PATIENTS: One hundred seventeen couples with unexplained infertility who had failed to conceive with superovulation and IUI underwent 157 cycles of IVF-ET. Results were compared with 194 tubal factor couples subjected to 250 IVF-ET cycles within the same time period.
RESULTS: Total fertilization failure events were more common (20.4% versus 7.6%) and tended to be repetitive in couples with unexplained infertility. When total fertilization failure events were excluded, fertilization rates (57.8% versus 60.9%) and cumulative clinical pregnancy rates over three cycles (55.4% versus 46.5%) were similar in unexplained infertility and tubal disease groups.
CONCLUSIONS: Couples with unexplained infertility failing to conceive with superovulation and IUI have a favorable outcome when treated subsequently with IVF-ET. Conception rates similar to couples with tubal disease may be expected despite a higher incidence of total fertilization failure events.
DESIGN: Retrospective case control series.
SETTING: University IVF-ET center.
PATIENTS: One hundred seventeen couples with unexplained infertility who had failed to conceive with superovulation and IUI underwent 157 cycles of IVF-ET. Results were compared with 194 tubal factor couples subjected to 250 IVF-ET cycles within the same time period.
RESULTS: Total fertilization failure events were more common (20.4% versus 7.6%) and tended to be repetitive in couples with unexplained infertility. When total fertilization failure events were excluded, fertilization rates (57.8% versus 60.9%) and cumulative clinical pregnancy rates over three cycles (55.4% versus 46.5%) were similar in unexplained infertility and tubal disease groups.
CONCLUSIONS: Couples with unexplained infertility failing to conceive with superovulation and IUI have a favorable outcome when treated subsequently with IVF-ET. Conception rates similar to couples with tubal disease may be expected despite a higher incidence of total fertilization failure events.