I’m 29 years old and my husband is 30 we are married for 4 yrs we seek medical advice 3.5 yrs ago my husband did semen analysis and i did hormonal assay and HSG and were normaal i had clomid for many cycles with no result i then had IUI twice while having fostimone and chriomone amp. and fail then i did antisperm antibodies teat & IgG & IgM aganist toxoplasmosis and were -ve i also did thyroid function and were normal then i did ICSI twice during the cycle i had the following treatment: decapeptyle cycloprogynova (only white pills) urbazon heparin asprine also i & my husband had zithromax flucoral & flagentyl ...48 hr before ova aspiration i had chriomone .. 12 ova were aspirated and they gave 6 embryos i re-inject 3 each time in the 5th day ( they were laser assisted hatched); i had prontogist amp. & supp. & duphastone during the luteal phase and i was having 15 mm endometrail thickness my last trail was in 4/7/2010 i need to know f i shall repeat the trail and when ..also wt can i do to improve my chances of embryo implantation thanks alot