Player selected: Condoms. , If you want protection against both STIs and unplanned pregnancy, condoms are the only option that does both. When used correctly every time, theyre 98% effective., You National Condom Week: History, Facts and Pointers Condoms protect against unplanned pregnancy and most sexually transmitted infections, including HIV, gonorrhoea, chlamydia and syphilis. Use only water or silicone based lubricant with a condom during vaginal and particularly anal sex Can Condoms Cause Yeast Infections? Happy V