An instructional post-war film on menstruation that will horrify women who couldn't imagine periods without tampons. Thirteen year old Mary is taught what to expect during adolescence. With the aid of a diagram Mary is shown how her body will prepare itself for producing babies and is taught what to expect each month. She learns how to choose and wear sanitary pads (which come ...$最为中规中矩的科教片。条目有误,应为英国