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Can IVF "customize" twins?

Yang Minmin, Center for Reproduction and Genetics of Integrated Traditional Chinese and Western Medicine, Shandong Provincial Hospital of Traditional Chinese Medicine

It has been constantly revealed that older women use IVF technology to get their children, and some are even enviable twins. It seems that with IVF technology, infertility is no longer so terrible, and it is no longer so difficult to have children. Can IVF solve all the problems of infertility? Can IVF really "customize" twins?

More and more people are plagued by infertility, many people will choose to do IVF, but experts say that IVF is not a master key, it should be done when it should be done, do not find out infertility and ask for IVF, let alone do IVF because you want twins.

Can IVF "customize" twins?

"IVF" is done when it should be done

At present, many hospitals in China can do IVF, according to the different conditions of patients, the general medical cost is about 20,000-30,000. "20,000-30,000 can have a child", which is undoubtedly good news for infertile couples. But experts caution that IVF should only be done when it should be done. While all infertility can be addressed through IVF techniques, not all infertility requires IVF, and there are some cases that can be resolved in a simpler way, and IVF is generally not recommended. IVF is also risky, such as ovulation induction may cause ovarian hyperstimulation syndrome, puncture may cause pelvic infection or bleeding, and IVF is prone to multiple pregnancies.

"IVF" does not "customize" twins

Expert consensus on the latest number of embryo transfers in the mainland points out that the purpose of assisted reproductive technology fertility treatment is to give birth to singleton, full-term and healthy babies, minimize twin pregnancies, and eliminate three-child pregnancies. The most effective measure to reduce multiple pregnancies is to reduce the number of transfers, it is recommended to control the number of embryo transfers per cycle to ≤ 2, in some special cases it is recommended to selectively transfer embryos, a reduction in multiple pregnancies. But after the embryos are placed, whether to successfully conceive one or two is determined by natural selection, not by doctors, and no doctor can guarantee that the placed embryos will survive. Therefore, the so-called "customized" twins are not possible, and it is even more undesirable to do IVF in order to give birth to twins.

The success rate of IVF in China is higher than that in foreign countries

Some people will worry, how is the technology of domestic IVF? Will it be much worse than abroad? In fact, from the perspective of clinical data, the success rate of IVF technology in mainland China is much higher than that of foreign countries. Around 2005 and 2006, there is still a certain gap between the mainland's IVF technology and foreign countries, but after these years of development, and exchanges with foreign countries have also increased, in recent years, especially after 2010, the success rate of mainland IVF technology has far exceeded foreign countries. This is because there are many Chinese, and the number of Chinese doctors' patient population is large, so Chinese doctors have accumulated more experience, and the more experience they have, the more mature the technology, so the success rate of domestic IVF is higher than that of foreign countries.

There is no difference between IVF and normally conceived babies

Many people are worried that IVF will not be more likely to miscarry or premature birth than ordinary conception, and some even worry that IVF will grow up to be different from ordinary babies and there will be some health risks. There is no difference between IVF and normally conceived babies. Except for the need to strengthen fetal preservation in the first trimester of pregnancy because of ovulation induction and egg retrieval before, the other risks are the same as ordinary pregnancies and will not affect normal delivery. Some researchers followed up IVF (follow-up to 12 years old), and the follow-up results showed that the incidence of congenital malformations in IVF, the level of education at the primary school level, personality, personality and other aspects are the same as normal children.

Can IVF "customize" twins?

IVF technology is only a last resort, maintaining healthy living habits and protecting your fertility is fundamental. Now it is very young people like to stay up late, use electronic products, smoke, drink, these behaviors will affect fertility, some young girls do not know how to protect themselves, after pregnancy random choice of abortion, which is likely to lead to abnormal tubal patency, resulting in infertility. At the same time, young couples are warned that if they find that they have infertility, they must go to a regular and qualified hospital for medical treatment, and do not trust the advertisements, so as not to delay the condition.

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