Evaluate Efficacy and Safety of LACUDY for Improving Vaginal Environment in Breast Cancer Patient

‐ Registered subjects are 1:1 randomized using a random sequencing generator (www.random.org). Experimental group with 30 patients and Control group with 30 patinets. ‐ In the case of the experimental group, LACUDY 2mL is inserted twice a week for a month before going to bed for 4 weeks. ‐ Unpack the product and take it out. ‐ Remove the cap by turning it. ‐ Fit the nozzle to the end of the syringe and turn it to combine. ‐ Hold the syringe with the nozzle facing the vulva, insert it about 5‐6 cm into the vagina, and then slowly press the tip of the push rod with patient's thumb to inject all the liquid in the syringe into the vagina. ‐ Slowly remove the syringe as the nozzle opens. ‐ It is recommended to wear a pad as the injected solution may flow out. ‐ In the case of the control group, they go about their daily lives without any treatment. ‐ Both the experimental group and the control group are instructed not to administer intravaginal suppositories or other drugs related to vaginal atrophy and sexual function improvement. ‐ A total of 2 questionnaires were conducted before and after treatment.