Have a read of the ladies saddle thread http://www.lfgss.com/thread19250.html
Though maybe your lady need to try adjusting the saddle she's got rather than changing completely, it might be an angle/height thing
Personally I swear by Selle Italias Ladies Gel Flow (as do a few other ladies on here) Done thousands of miles on them.
Have a read of the ladies saddle thread http://www.lfgss.com/thread19250.html
Though maybe your lady need to try adjusting the saddle she's got rather than changing completely, it might be an angle/height thing
Personally I swear by Selle Italias Ladies Gel Flow (as do a few other ladies on here) Done thousands of miles on them.