Chitosan adsorption suppository can not be used by pregnant women. Chitosan adsorbent pessary’s main ingredient is polymerized sugar, for gynecology commonly used intravaginal use of preparations, has the promotion of wound healing, tissue cell regeneration, hemostasis, sterilization, etc., used for cervical columnar epithelial subluxation, pseudohyphae, anaerobic bacterial vaginitis, the vaginal epithelial treatment. After using chitosan adsorption suppository, vaginal secretion will increase, there may be meat-like tissue, bloody secretion discharge, etc., which is a normal reaction after the use of medication, secretion stimulation of the vulva will lead to vulvar itching, tingling, and other adverse reactions, generally will be relieved on their own, do not need special treatment. If pregnant women with vulvar itching, leukorrhea increase, can not use chitosan adsorption suppository, need to consult a doctor in time, under the guidance of the doctor to use drugs. Chitosan adsorbent suppositories should be used under the guidance of a doctor, and should not be used on its own to avoid adverse reactions.