Many newlyweds will envy parents who have given birth to twins or twins. When preparing for pregnancy, many of them will imagine that they are pregnant with twins or twins. So, how are twins formed? What is the probability of twins? The formation principle of twin twins
Twin twins are a relatively special situation among twins. Twins can be divided into two categories. One type is identical twins, which, as the name suggests, means two children are born from the same fertilized egg; the other type is fraternal twins, which means two children are born from two different fertilized eggs. child. In the case of identical twins, the possibility of giving birth to a boy and a girl is zero; but in the case of fraternal twins, there is a half chance of giving birth to a boy and a girl.
The secret of giving birth to twins
There is a kind of envy, which is called other people’s twin babies, and there is a kind of admiration, which is called other people’s twin babies. Although having a baby or a girl all depends on fate. , but the blessing of having two babies at the same time, having both children at once, and getting twice the result with half the effort is also something that makes people envious. Although the chance of having twins is very small, it’s not impossible to work hard. The “secret” of having twins will be provided immediately! If you want to kill two birds with one stone, take a look.
▌Secret to having twins: Find someone with the twin gene
▌Risk index: ☆☆☆☆☆
Surveys show that Women with twins have a greater chance of giving birth to twins than ordinary women. In addition, if the man is a twin of a boy and a girl, the probability of his wife giving birth to twins is higher than the average person. However, the impact of these two conditions on having twins is not great, and is only slightly higher than that of the general population.
In the vast sea of ??people, it is really difficult to find someone who is about the same age as you, can talk about marriage, and is a member of a twin brother and sister. However, having this chance is better than nothing. If you have a partner who has twins, and you really want to have a pair of twins after marriage, what are you waiting for? Hurry up and register to create a baby!
▌Secret to having twins: folic acid supplement
▌Risk index: ★☆☆☆☆
According to expert estimates , folic acid supplements may increase the number of ovulations, allowing multiple eggs to enter the uterus, thus producing twins. However, whether this conclusion is correct remains to be confirmed by further research.
It is known that women will release one egg every month on the day of ovulation, and in rare cases, two eggs will be released. The prerequisite for having twins is that a woman must release two eggs on the day of ovulation. It is not easy to achieve this. Experts believe that folic acid supplements have a certain effect on increasing the number of ovulations in women. Therefore, if you want to have twins, it is best for women to take folic acid to increase the chance of ovulating two eggs.
▌Secret to giving birth to twins three: in vitro fertilization
▌Risk index: ★★★☆☆
"In vitro fertilization" It uses ovulation induction technology to promote the development of follicles in women's ovaries, then removes the eggs from them for artificial in vitro fertilization, and then transplants the developed embryos into the uterus for pregnancy.
Because this process is carried out under the manual control of doctors, in order to ensure the quality of fertilized eggs, several more eggs are usually selected for fertilization. When they develop to a certain level, the best 2 are selected. - 4 embryos are implanted into the mother's uterine cavity, and the best embryo is retained for implantation and development in the uterus until the fetus is born.
However, some women’s physical conditions allow two embryos to develop at the same time, and if they have their own requirements, doctors can also reserve two embryos for them, thus giving birth to twins.
▌The fourth secret of having twins: increase hormones
▌Risk index: ★★★★☆
Sichuan folk once said "Secret recipes for twins" were once very popular, and according to research by scientific researchers, most of these so-called secret recipes are drugs that can promote gonadal hormones.
The main function of this type of drug is to promote the secretion of gonadotropin from the anterior lobe of the pituitary gland, which can induce ovulation after use. This type of drug is also used to treat infertility. Good health If women take it improperly, they may experience adverse reactions such as abdominal pain, breast swelling and pain, nausea, dizziness, fatigue, rash, blurred vision, etc. In severe cases, it may cause cancer.
▌Secret to giving birth to twins five: ovulation induction drugs
▌Risk index: ★★★★★
Xinhua News Agency once An article was published on "Oral ovulation-stimulating drugs increase the chance of having twins." The article pointed out that the number of "artificial" twins is increasing significantly, but doctors are deeply worried about this phenomenon. In fact, ovulation induction drugs are similar to folic acid, but they are more effective.
After using ovulation induction drugs, women do have a high chance of releasing two eggs on the day of ovulation, but this kind of drug intervention is unnatural and very harmful to the female body. In addition, there are inevitably health risks in twins born using this method. Therefore, experts advise women not to resort to such harmful methods in order to have twins.
Can IVF produce twins?
Can IVF produce twins? IVF is an assisted reproductive technology that treats infertility. However, some patients consult IVF. Baby twins. Experts say that in vitro fertilization can technically select the gender of the baby and enable multiple pregnancies. Detailed introduction below.
IVF twins: Technically, you can choose the gender to achieve twins.
Can IVF give birth to twins? Experts point out that with IVF technology, the gender of the child can be selected. Among IVF technologies, there is a technology called PGD (preembryo transfer diagnosis), which can perform gender identification. PCD technology uses the couple's sperm and eggs to form an embryo. Before placing it in the uterus, a cell in the embryo is removed for genetic and chromosomal examination, which can identify the gender of the baby.
In addition, in order to ensure the success rate of IVF technology, 2-3 embryos are usually transferred during embryo transfer, so that twins can be achieved.
IVF twins: not allowed by law
Although PGD can choose the gender of IVF and achieve twins, PGD is not suitable for all IVF. The services provided by the clinician are limited to patients with hereditary diseases, including couples with sex-linked hereditary diseases, in order to achieve eugenics purposes and avoid the birth of sick children.
In addition, if the patient has a multiple pregnancy, the mother of multiple babies is more likely to develop pregnancy syndrome such as diabetes and hypertension during pregnancy, and the probability of postpartum hemorrhage is also higher, and she is also more likely to suffer from premature birth. .
However, our country’s law prohibits illegal selection of fetal gender. IVF technology cannot be used for gender selection at will, nor can it be used for multiple births.
「 」