The emergence of IVF technology has helped many infertility, elderly couples to achieve fertility dreams, with the continuous progress and improvement of IVF technology, the success rate is also increasing, so that more infertility patients have greater confidence in IVF technology. However, IVF technology as a medical operation, with the current technology can not achieve a 100% success rate, because there are many factors affecting the success of IVF, so not everyone can do a ivid to succeed, so what is the probability of success in IVF? What are the factors that affect the success of test tubes?
Hengjian Overseas pointed out that according to statistical analysis, the number of infertility patients has been rising in recent years, and many patients have placed their hopes of pregnancy on IVF. They are very concerned about the success rate of IVF, in fact, in recent years, domestic IVF technology is also constantly improving, but compared to foreign IVF technology, there is still a certain gap, at present, the success rate of IVF can be as high as 60-70% in foreign countries, in china, some hospitals can reach 35-40%.
However, patients still cannot relax. Because IVF is still not guaranteed to be 100% successful. Therefore, if the patient wants to improve the chance of a successful pregnancy, it is still necessary to do a good job to improve the chance of pregnancy.
So, what does the IVF success rate depend on? Take a look at the professional analysis of an IVF doctor.
There are many factors that affect the success rate of IVF, such as female age, the cause of infertility, and the quality of the IVF central laboratory.
1. Age
It is an important factor affecting the success rate of IVF, with age, the number of eggs decreases, the quality decreases, the fertilization rate decreases, the pregnancy rate decreases significantly, and the miscarriage rate increases. The pregnancy rate for IVF in women aged 41 to 42 years is 12%, the live birth rate per transferred embryo for women over 42 years of age is only 5.9%, and the abortion rate for women over 43 years of age is 50%.
2. Hydrosalpinx
Significantly reduced embryo implantation and pregnancy rates, resulting in a 50% reduction in pregnancy rates. Therefore, women with hydrosalpinx should have their hydrosalpinx tubes removed before performing IVF.
3. Uterine abnormalities
Endometrial injuries such as endometrial polyps, endometritis, previous surgery, or inflammation (most commonly tuberculosis) can affect embryo implantation.
4. Chromosomes
Some couples have normal variants of chromosomes. These are among couples with chromosomal problems, some with primary infertility or a history of adverse pregnancy. Although conceivable by IVF technique, the failure rate and L yield rate are higher.
Hengjian overseas tips, for some patients to do IVF once successful, why some need to do the second and third times, in fact, the success rate of IVF is related to many factors, the most important is age, J egg quality, and the physical condition of female patients. Therefore, if you fail once, you should carefully find out the cause of the failure, so as to improve the success rate of the next time.