Fingerless mitts again

Ok, so I finished the second fingerless mitt last night - only to find that I can't count and it's quite a bit shorter below the wrist than the other one. I counted rows and everything. Must be being pregnant. So now I have the choice either to wear them as they are, and the bit that shows the most is okay, or frog the second one and start again, which I'm not sure I can be bothered to do. Gutted.