Abstract
For 10 years now, in vitro fertilization (IVF) with subsequent embryo transfer (ET) has been successfully used in treated infertility. ET rates of between 70% and 80% testify to the progress obtained in IVF and embryo culture. Despite these advances made in recent years, the pregnancy rate after IVF is hardly higher than 20% per treatment cycle, even in the cases of experienced teams.1,2 A comparison with the pregnancy rate per cycle under in vivo conditions, however, shows that the prospects per treatment cycle are not more favourable here either.
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© 1990 Plenum Press, New York
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Diedrich, K., Bauer, O., v.d. Ven, H., Al-Hasani, S., Krebs, D. (1990). The Intratubal Transfer of Pronucleus and Early Embryonic Stage Embryos. In: Mashiach, S., Ben-Rafael, Z., Laufer, N., Schenker, J.G. (eds) Advances in Assisted Reproductive Technologies. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0645-0_27
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DOI: https://doi.org/10.1007/978-1-4613-0645-0_27
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