And,like birds they have a single opening with which they produce eggs, have sex and expel waste.

VOA: special.2009.07.07

Girls are advised to begin testing within three years of when they first have sex, or in any case no later than twenty-one.

VOA: special.2009.11.25

It is a symbol of their belief in waiting until marriage to have sex.

VOA: special.2009.06.19

It says young people in Africa are waiting longer to have sex.

VOA: special.2010.07.14

The key populations as defined by the study are the people who are mainly drug injectors, men who have sex with men, and sex workers.

VOA: standard.2010.07.07

I mean,I think that knowing how HIV basically gets transmitted is something that people are afraid, that people know that they have had extra-marital sex-the whole concept of men who have sex with other men-- it's a big taboo, and the region does not want to admit that we have these groups.

VOA: standard.2010.07.07

Others say some women may have had sex with infected men who had very high amounts of the virus.

VOA: special.2010.07.21

"Have you seen any other of the summer movies, like 'Sex and the City?'" "No. I didn't see the 'Sex and the City ?'

VOA: special.2010.06.14

Thirty of the fifty states have changed their constitutions to ban same-sex marriage.

VOA: special.2010.02.06

Questions have been raised about his handling of sex abuse cases and whether he had a role in keeping them quiet.

VOA: standard.2010.03.28

She says many women still don't feel like they have the power to negotiate safe sex.

VOA: standard.2010.03.02

"They can just say they won't do it." "Abstinence-only sex education denies young women opportunity to have the knowledge they need to make their own informed decisions."

VOA: standard.2010.05.12

"For example,the woman's sector have put through a recommendation to cabinet around the idea of putting a moratorium on arrests of commercial sex workers during the course of the World Cup."

VOA: standard.2010.05.29

The IAAF says Semenya was subjected to sex testing three weeks ago, following complaints from a member body, but have refused to say exactly what the complaint was or who made it.

VOA: standard.2009.08.25