I know Disney did movies for soldiers on stds as well as a whole range of other educational topics but this was a new one for me:
Walt Disney: The Story of Menstruation
http://www.milkandcookies.com/link/43631/detail/
A 1946 10-minute American animated film produced by Walt Disney Productions in 1946. It was sponsored by Kotex and shown in a non-theatrical release to approximately 105 million American students in health education classes.