There’s nothing that shouts: I’ve had sex! quite like pregnancy. And, while accepting congratulations on the happy event, that growing bulge is real evidence that a good time was had at least once.
Maybe this is one of the reasons that teen pregnancies get us so hot under the collar, because once a teen has fallen pregnant, there's no denying that she's sexually active. Read about it, and related topics on Parent24.
Educate young children about sex
Sex with a tummy