Barth H, Döbler T, Amon K
Zentralbl Gynakol. 1984;106(6):389-92.
930 female teenagers of 17 years were questioned to their knowledge of contraceptive methods and its use. Nearly 63,6% of the female teenagers with experiences of cohabitation practised no contraception. There is the demand of an increasing attention of contraception under the frame of sexual education of the youth; it's the main point.
