How to Tell if Your Teenager Is Having Sex and Won't Talk to You About It

46% of girls, 15 to 18, who've had intercourse claim their mothers don't know. But the girls who do talk to their moms before losing their virginity are less likely to have sex without birth control and less Likely to have regrets about their first time. So what should you do if you suspect that your teenager is having sex and refuses to talk to you about it? Well, take a look.