Oh joy....all the fun stuff I've got to look forward to once this bubba is born - although I can say from experience that girls can be just as fiddly as boys on occasion It's a natural, healthy part of life and they do eventually learn that it's something best kept from when they're alone.

Like you, I didn't want to make a big deal out of it or make DD feel like exploring her own body was somehow "bad" - I'd keep going with how you've been handling it as much as possible, explaining to be gentle and that it's for "alone time" etc.