From what others have posted on here in the past, I think they still might. Usually it takes until they're done teething, about 6 months.
Emma's were both down until about 5.5-6 months. Then we had her groomed, and they shaved her ears-one went up! One still flops over, but I like her that way.
You might also try taping them...do a search for more threads on this and I'm sure you'll find lots of info |