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Natural Cycle IVF is in vitro fertilisation (IVF) using either of the following procedures: *IVF without the use any ovarian hyperstimulation drugs.〔(IVF - Natural cycle IVF )〕 *IVF using an ovarian hyperstimulation protocol with a GnRH antagonist for ovulation suppression, generally with gonadotropins as well. This procedure can be called ''modified natural cycle-IVF'' (MNC-IVF).〔 *Frozen embryo transfer; IVF using ovarian hyperstimulation, followed by embryo cryopreservation, followed by embryo transfer in a later, natural, cycle. == History == The first baby conceived through this method of IVF was Louise Brown, the world's first 'test-tube baby.' However as the field of infertility medicine progressed the protocol drifted from away from this method and began incorporating the use of fertility drugs to promote greater production of eggs during one cycle. The idea behind this was to increase the number of eggs a woman can produce per cycle, thus increasing their chance of producing an embryo that will result in a live birth. However as this protocol to use more and more infertility drugs became the conventional IVF that we know today, many physicians began seeing the risks associated with conventional IVF. Dr. Osamu Kato, the founder of the Kato Ladies Clinic, spearheaded the movement to begin a more natural and mild protocols for IVF. 〔http://ismaar.org/osamu-kato/〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Natural cycle in vitro fertilization」の詳細全文を読む スポンサード リンク
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