Most carvers struggle with female faces, myself included. It is easy to carve women, if you carve ugly women. Let's face it the more wrinkles you carve on a male the better he looks, not so with a lady. I am no expert carving females, but practice makes perfect, or so I've heard.
I carved this green lady from Montana cottonwood bark. She measures 12" in length and 4 1/4" at the widest point. This piece of bark was 1 3/4" thick before carving. I finished with lacquer and wax. Thanks for looking.