They had had some sex education in school, she said, but mostly, they just joked about sex.

CNN: Rural America has a teen pregnancy problem

The survey calls for more sex education for adults, given that about one in five participants said they had never had sex education in school.

CNN: Gaps found in young people's sex knowledge

They received little sex and relationships education at school but grew up in an increasingly sexualised society.

BBC: RELATED BBC SITES

Sex education also needs to be an integrated part of the national curriculum in every school not just an optional extra for interested schools.

BBC: Your comments

The Sex Education Forum (SEF) says that the plans leave a gap in teaching about reproduction in primary school.

BBC: Curriculum plan 'waters down sex education' experts warn

Responsibilities for parental guidance in demonstrating the importance of loving relationships and marriage are becoming supplanted by school sex education programs that emphasize instruction on condoms, birth control and abortions.

FORBES: Why Gun Regulation Is Uncivilized

In its 2011 School Climate report, the Gay Lesbian and Straight Education Network found that same-sex couples were frequently not allowed to attend school dances together or were penalized for doing so, such as being ineligible for "couple discounts" on tickets.

CNN: The damaging messages of proms