The study aimed to figure out what factors affect the success of freezing and thawing embryos for pregnancy. They looked at things like a woman's age, hormone levels, time embryos were stored, and how many embryos were transferred. They found that transferring more than three thawed embryos led to higher pregnancy rates compared to fewer transfers. Having sponsoring and intact embryos also boosted success. Embryo appearance before freezing, the number of embryos transferred, and having intact embryos were crucial for success. The condition of the embryos was more important than their stage of development or how long they were stored.