So the Class of 2019 had 58% female and 42% male for both CAS and Oxford "http://apply.emory.edu/discover/fastfacts.php"
For the 2015-16 year, Emory and Oxford had a combined 7,829 total enrollment, with 44% male / 56% female. http://colleges.usnews.rankingsandreviews.com/best-colleges/emory-university-1564
I believe Emory subscribes to the "max. 60:40" rule-of-thumb, so it likely won't ever become wider than that. But why is the gap widening to begin with? Why has the gap widened over the years? Why do more girls want to come to Emory than boys?