Bangkok city officials are urging young Thais to forgo sex on Valentine's Day this weekend and visit temples instead to mark the day of love.

Thailand has one of the highest teenage pregnancy rates in Southeast Asia, public health officials say, and faces HIV infection rates among its gays comparable to those in Africa's AIDS hot spots.

The Feb. 14 celebrations are a popular Western import in tourist-friendly Thailand, but the Bangkok Metropolitan Administration is worried about teenagers making love.