Prognostic factors in patients continuing in vitro fertilization or intracytoplasmic sperm injection treatment and dropouts.
OBJECTIVE: To investigate whether cumulative pregnancy rates using life table analysis but without considering dropouts are representative of the whole population of patients entering an in vitro fertilization ( IVF) or intracytoplasmic sperm injection (ICSI) program. DESIGN: Retrospective study. SETTING: University hospital-based infertility center. PATIENT(S): One thousand one hundred sixty-nine patients entering our IVF/ICSI program from January 1993 to December 1996. INTERVENTION(S): Comparison of prognostic factors between pregnant and nonpregnant patients, and between patients continuing IVF/ICSI treatment and dropouts. MAIN OUTCOME MEASURE(S): Prognostic factors, such as patient age, cancellation of oocyte retrieval because of poor response to ovarian stimulation, number of oocytes retrieved, fertilization rate, number and quality of embryos transferred. RESULT(S): No statistical differences in prognostic factors were found between patients continuing IVF/ICSI treatment and dropouts. CONCLUSION(S): Cumulative pregnancy rates using life table analysis can be considered representative of the whole population of patients for at least the first three treatment cycles.[1]References
- Prognostic factors in patients continuing in vitro fertilization or intracytoplasmic sperm injection treatment and dropouts. De Vries, M.J., De Sutter, P., Dhont, M. Fertil. Steril. (1999) [Pubmed]
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