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  • Title: [Simplified management of an in vitro fertilization program].
    Author: Hess R, Roblero L, Triantafilo Y, Stein C, Alam V, Parada M.
    Journal: Rev Chil Obstet Ginecol; 1993; 58(6):450-4. PubMed ID: 7991869.
    Abstract:
    The development of in vitro fertilization has accelerated in a dramatic way the understanding on gamete physiology. Results obtained with the technique are easily reproducible and consistent between different centers. It is well known that cumulative pregnancy rates with 5 or 6 cycles can reach up to 60% of couples being pregnant. However, the main limitations to successive attempts have been the cost of the procedure and the surgical transfer of the embryos. In an attempt to overcome this difficulties, efforts has been made to simplify the monitoring of induction of ovulation, use of GnRh analogs and non surgical transfers whenever it is possible. Results presented in 47 of these cycles show non significant differences, with data published elsewhere, on oocyte maturity, fertilization and cleavage rates. Moreover pregnancy rates per aspiration are 28.6% and per transfer 33.3%. We can conclude that ultrasonography alone to monitor ovulation induction as well as uterine transfers do not affect the outcome of the cycle.
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