Some sexual education courses are expanding in China as premaritalsex has increased 30 percent in the past two decades, reports.According to a survey by the flagship magazine of the Communist Party of China,41.4 percent of survey respondents in 1994 said they had engaged in premaritalsex. That number has risen to 71.4 percent, according to a survey earlier thismonth. In 2011, China introduced new sex-ed books for children and encouragedschools to widen their curriculum.

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