CDC 的数据

来源: 于 2023-06-05 08:48:15 [旧帖] [给我悄悄话] 本文已被阅读：次

Roughly 40 percent of never-married teens between 15 and 19 years of age reported having sexual intercourse in 2017, the most recent year for which data is available, and an overwhelming majority uses contraception -- condoms,