2004•Annals of the New York Academy of SciencesRequires access
Natural In Vitro Fertilization Cycles
Filippo Maria Ubaldi, Laura Francesca Rienzi, Susanna Ferrero, Elena Baroni, Marcello Iacobelli, Fabio Sapienza, Maria Giulia Minasi, Luigi Cobellis, Stefania Romano, Filomena Scarselli, Ermanno Greco
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Abstract
Although the first in vitro fertilization (IVF) baby was born after a natural IVF cycle, very soon this procedure was almost abandoned mainly because of the very high cancellation rates, and controlled pharmacological ovarian hyperstimulation became the standard treatment in IVF cycles of normoresponder patients. However, in poor-responder patients, where only very few follicles can be recruited and very few oocytes, if any, can be retrieved after controlled ovarian hyperstimulation, natural IVF cycles may offer a comparable number of follicles, reduced costs, and less discomfort for the patients. In this group of patients, natural IVF cycle is a cost-effective approach.