I, the main reason for IVF failure
1, the woman's age
Age is an important factor affecting the success rate of IVF, domestic and foreign literature reported that the age of 25-34 years old the highest success rate, more than 35 years old, the success rate will be a significant decline in the manifestation of the woman's age, with the woman's age, the ovarian function will be gradually declining, the aging of the eggs.
2, whether to obtain high-quality eggs
To get high-quality eggs is the fundamental condition for the success of IVF. If the problem of difficulty in retrieving eggs is presented in this link, it will affect all the subsequent links. Therefore, with regard to patients with poor ovarian function, it is necessary to use a targeted ovulation program to treat the cause of the disease and scientifically retrieve eggs.
3, whether you can get quality embryos
Quality embryos is an important condition for the success of IVF, not fertilized or fertilized not egg cleavage can not be embryo transplantation, and then lead to IVF failure. There are two general reasons for presenting fertilization failure: first, the sperm cannot enter the egg, affecting the normal combination of sperm and egg. The second is that when the sperm enters the oocyte, the oocyte activation fails, resulting in a fertilized egg that cannot divide.
4. Embryo implantation conditions and intrauterine environment
After the embryos are matched, patients whose physical conditions allow it can undergo fresh embryo transfer in the same cycle. However, some women need to wait until the physical conditions, to reach the standard of transplantation and then frozen embryo thawing and transplantation. After the transfer procedure, many patients will usher in the end of good pregnancy, but there are also some patients embryo implantation failure.
The reason for embryo implantation failure is often that the embryo itself has shortcomings, but in addition, the corpus luteum support, uterine environment, immune function, coagulation function and other elements will also affect the embryo implantation.
5, the patient's mood
The patient's state of mind and spirit is an important element that affects the success or failure of IVF treatment. A high degree of mental severity will affect the woman's endocrine level, but also cause blood vessels in a state of contraction for a long time, affecting the ovaries, uterus part of the blood flow, and nerve severity, will make the body of some of the nerve mediators of the release of abnormalities, the formation of the uterus, the tubal muscle contraction disorders, affecting the normal implantation of embryos lead to embryo implantation failure. So relieve mental stress, communication between doctors and patients, mutual understanding and encouragement of both spouses is very important.
6, pick the right reproductive center
In the process of IVF surgery, the skill level of the hospital experts, also directly affects the success of IVF. The selection of skilled, qualified and experienced experts can make adjustments in ovulation promotion, drug regulation and other aspects according to the individual differences of the patients, to maximize the guarantee of the smoothness of various IVF surgeries, such as sperm retrieval, egg retrieval, embryo-assisted insemination, embryo cultivation, transplantation, etc., and to avoid surgical failures due to the operation's mistakes, which will decrease the success rate of IVF.