Condoms, when used correctly, are an essential tool in reducing the risk of pregnancy and STIs.
Nearly a third of all teen pregnancies end up in abortion.
By 15 years about 13% of teens have had sexual intercourse.
Next to the box are scraps of paper and some pencils.
Stewart and Laura Widman, North Carolina State University; Leigh A.
Guiyang is home to more than 30 minority ethnic groups including Miao, Buyi, Dong and Hui.