84 disinfectant is harmful to pregnant women, may lead to allergic reactions, physical discomfort, etc. It is recommended that pregnant women do not use 84 disinfectant. 1. Allergic reaction: 84 disinfectant has a certain degree of corrosiveness, pregnant women contact, the skin may produce redness, itching, tingling and other allergic reactions, is not conducive to the health of pregnant women and fetuses. 2. Physical discomfort: 84 disinfectant has a pungent odor, pregnant women after smelling may lead to physical discomfort, breathing difficulties, nausea and vomiting, etc., and in severe cases will have an impact on the fetus. Due to the strong irritation and corrosiveness of 84 disinfectant, it is recommended that pregnant women do not use 84 disinfectant, if the application of the pregnant woman appeared more serious adverse reactions, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor, improve the relevant examination, symptomatic treatment.