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Title: |
Daily Workload in the Embryology Laboratory and in Vitro Fertilization Results | |||||||||||||||||||
| Authors: | Antonia Expósito, Ph.D., Roberto Matorras, M.D., Ph.D., Rosario Mendoza, B.S., Lorena Crisol, B.S., Txanton Martínez-Astorquiza, M.D., and Begoña Prieto, M.D. | |||||||||||||||||||
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OBJECTIVE: To ascertain if the daily activity in the in vitro fertiIization (IVF) laboratory is related to pregnancy rates (PR) and fertilization rates (FR) in an IVF program.
STUDY DESIGN: A retrospective study was performed to compare the PR and the FR obtained in 845 oocyte retrievals (OR) and 713 embryo transfers (ET), according to the daily workload. Different cutoffs were established: ?3 OR per day vs. >3 OR per day; ?3 ET per day vs. >3 ET per day, and also a cutoff considering the global activity in 3 different categories: optimal (level I), overload (level II) and high overload (level III), both the day of OR and of ET. RESULTS: The PR on the days with ?3 OR and with >3 OR were similar, as were the days with ?3 ET or >3 ET. There were no differences in PR when the activity the day of OR was level I, II or III (24.4%, 25.2% and 28.3%, respectively) or when the activity on the day of ET was level I, II or III (29.6%, 37.3% and 23.7%, respectively). CONCLUSION: We failed to show any adverse results on our IVF program associated with the daily workload. (J Reprod Med 2010;55:49–54) |
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| Keywords: | fertilization in vitro, pregnancy rate, workload | |||||||||||||||||||
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