My female partner has received the first of four A&C chemotherapy infusions (to be received every two weeks). We ve been told that I should be careful to avoid contact with body fluids (cleaning up vomitus, urine, diarrhea, blood, ...), which makes me wonder: Are the chemicals in her body so toxic that I should refrain from performing oral sex on her? If so, is it throughout the entire two-week cycle that they re toxic, or does toxicity peak and then recede before she receives the next infusion?