The trial was halted last year after researchers discovered a attainable link with lung issues and neonatal death and eleven babies with lung problems died shortly after start. When the trial was stopped on Monday, roughly half of 183 pregnant ladies collaborating were taking sildenafil, buy viagra online canada pharmacy safe the Amsterdam University’s Academic Medical Center (AMC) said. In whole, 93 ladies were given the drug and 17 babies developed lung problems, 11 of which have died.