Our data shows the prevalence of the Ala307-Ser680/ Ala307-Ser680 genotype in the both groups of patients. The finding should have impact on the delineation of stimulation protocols.

Elevated NKc is negative factor, though not critical for implantation in IVF cycles. Immune mechanism of IVF failure includes not only elevated NKc but also some other factors, such as elevated expression of CD8 and CD158a on NK cells, T lymphocyte activation, and diminished T helper 2 parameters.

No abstract

No abstract