In IVF treatment, before the embryo transfer procedure, our medical staff will inform the patient about the embryos she is transferring. Some patients are often confused when they see a string of numbers, so let us now explain in detail how the embryos are graded and what those numbers represent. If your embryo is in this range and there are no other signs of poor development, we will give your embryo a score such as 1/4, which means your embryo is 4 cells and well developed at the time of observation, and it is a grade 1 embryo. If some of the embryos are not adaptable to the external environment and show a small amount of fragmentation, vacuoles, uneven size, etc., we will adjust the grading downward to give a score of 2/5; at the same time, if the number of cells is less than 4 or more than 6, this means that your embryo is developing slightly slower or faster than normal, and we will adjust the grading to give a score of 2/3 or 2/8 as well, which is This is like a class of pupils, some of them are tall and some of them are small, but it does not determine their future growth. One day later, on the morning of the third day of transfer in the majority of patients, fertilized eggs routinely divide into 8 to 10 cells, and embryos are graded in a similar way to the second day. Successful pregnancy is a multifactorial process that is related to the quality of the embryos, the uterine lining, the maternal environment and many other reasons, so as long as we assess that your embryos can meet the transfer criteria, you will have the same chance to become a happy mother.