Gabon students angry at sex-for-grades pressure In Gabon, they're called "sexually transmitted grades" -- when university teachers use the threat of giving low marks in order to coerce female students into providing sexual favours. These young women may lack the media draw of glamorous actresses who are stepping into the TV lights, but they have tales of male power and sexual intimidation that are hauntingly familiar. A natural sound version of an AFPTV report.