Intralipid Related Effect on NKcells in Patients With Unexplained Recurrent Spontaneous Abortion

Inclusion Criteria: * All women icluded having recurrent spontaneous abortions equal or more than twice. * Alittle women having increased NKCELLS activity. Exclusion Criteria: * Any other diseases causing miscarriage as autoimmune (lupus erythematosus or antiphospholipid antibodies syndrome )or endocrinopathy (diabetes mellitus, thyroid disorders and hyperprolactinaemia)or thrombophilia (factor v leiden mutation, protein c or s deficiency, prothrombin G20210A mutation, antithrombin III deficiency ) or abnormal karyotyping to one or both of parents or previous history of hormonal contraception or intrauterine device usage at last 3 months or any contraindications for intralipid usage.