All patients in the r-hLH @,@ ( @/@ ) , @,@ ( @ / @ ) , @,@ IU ( @/@ ) , and u-hCG @,@ IU ( @ / @ ) groups ovulated ; @/@ patients in the r-hLH @ IU and @/@ in the r-hLH @,@ IU group failed to ovulate ( p = @ between evaluable groups ) .