Story continues below this adWhat happens if you use an expired condom? Expired condoms can develop micro-tears or tiny cracks that are invisible to the eye. “That makes it unsafe for use, regardless of how intact it may appear.” In short, an expired condom does not protect against pregnancy and sexually transmitted infections. Some people assume that using a condom that is just a few days or weeks past the expiration date is still fine. “Once a condom has expired, it should be considered immediately unsafe, even if it looks and feels normal”.