In this study the suitability of two -sequential and single step- commercially available culture media from the same brand was compared. The aim of such study is to verify whether is possible to improve the efficiency of infertility treatments in those couples who usually have a high cycle cancellation rate, such as poor responder patients and severe male infertility. The study population is composed of couples attending the fertility clinic: to this purpose all those couples approaching IVF treatments with a diagnosis of OAT, cryptozoospermia, advanced maternal age and women with a "poor responder" diagnosis were recruited. IVF treatments were randomly set to be cultured either with two-step sequential media or with one-step media to acquire data concerning the ongoing embryo culture development and clinical outcomes.
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blastocystis development rate
Timeframe: six months
implantation rate
Timeframe: six months
clinical pregnancy rate
Timeframe: one year