It doesn't look like you should be reducing anything yet. It appears to me that all the rows should end up with the same number of stitches, so I suspect you've missed some yo's somewhere.
"Trust the pattern!"
Time flies like an arrow, but fruit flies like a banana.
Hop aboard while we follow the cloud-covered van of knitting harmony, man!! Woooo!! --Hedgehog
IngridKH on Ravelry