Why do twin fetuses appear to be one big and one small?

This situation should have a lot to do with the difference in the degree of absorption of the two babies, the fetus with a better degree of absorption will grow relatively faster and weigh more, while the weight of the poor absorption degree should not be particularly large.

Because the nutrients absorbed are different, although the nutrients are the same, they will also be divided into those that are well absorbed and those that are not well absorbed. They are all independent individuals, and the twins are only similar in appearance, but their personalities are also very different.

In the mother's womb, twin fetuses will have a situation where nutrients are well absorbed and nutrients are not well absorbed, that is, nutrients are unevenly distributed. In the tenth month of pregnancy, the fetus will have an unbalanced development because of the uneven absorption of nutrients, a fetus develops well, and a fetus does not develop well, so that there will be a big and small situation when born.

Because when it is in the womb, the amount of nutrients absorbed by the fetus is different, one more and one less, so there will be differences when it is born.

Twins are a large and a small is a relatively normal phenomenon, generally small is caused by insufficient absorption of nutrients, if the absorption of nutrients is more, then the development will be larger, twins belong to high-risk pregnancies, to regularly do the corresponding routine examinations according to the gestational week, timely understand the development of the fetus, pregnant women usually pay more attention to increase nutrition, eat less and more meals, do not overeat, properly supplement calcium and iron, appropriate exercise, improve physical fitness, usually pay attention to keep warm, avoid cold.

This is normal. This is the difference in the degree of absorption of nutrients by the two babies, because the mother's nutrition is limited, and the two babies will compete, and the more they grab, the bigger they will grow.

Because at this time, the baby will compete for nutrition, if one party is stronger, then it is relatively large to be born; The other party is weaker, and it will be thinner.

Because the nutrients absorbed by two children in a placenta are different, and the absorption capacity of the fetus will also be affected by the orientation of the fetus.

It may be because the two fertilized eggs themselves are very different, and the nutrients absorbed by the two people are not the same.

Twins are in the same placenta, why is there a situation where one is bigger and one is smaller? If the pregnancy is twins, then it is a great thing for pregnant women, you know, the chance of conceiving twins is too small. However, during the prenatal examination of pregnant women, it was found that the twins were one big and one small, which is actually a very normal phenomenon, as long as the development of the twins is not very different, it does not matter.

Why do twins be one big and one small? 1.The fetus is competing for nutrients. Many twins, when developing in the womb of a pregnant woman, will also cause the fetus to be larger and smaller because each fetus receives different nutrients.

2.Fetal anomalies. If one of the fetuses absorbs all the nutrients, then the other fetus does not receive the nutrients, then the development will be slower and even die.

3.Pregnant women are not getting enough nutrients. Pregnant women who are pregnant with twins need more nutrients than singleton pregnant women, and if pregnant women still follow the amount of nutrients for single children, it is obviously not enough, which will lead to differences in the development of twins.

4.Uneven fetal development. If one fetus absorbs well, it will grow faster and be stronger, while the other fetus will not absorb well, then it will develop slowly and the fetus will be weaker.

Precautions for conceiving twinsTwins are in the same placenta, which means that they are monozygotic twins, and the children have the same blood type, the same appearance, and the same gender, and there will be no transfusion syndrome.

1.Pay attention to nutritional supplementation during pregnancy.

2.Increase the number of prenatal check-ups, and check up once every 2-3 weeks.

3.Less work and more rest during pregnancy.

4.If the fetus is too small, try to wait until 35-36 weeks before delivery.

Although they are twins, there will be a difference in the appearance of each person's organs and body, although the gap is relatively small, but this difference still exists, and there will be a certain gap in the absorption capacity of the fetus.

In the process of pregnancy, if the fetus has a disease, then his absorption capacity will decrease, and the absorption capacity will decrease, and the other one who is not sick will absorb more and more nutrients, and the development will be faster.

In the course of pregnancy, it is found that a fetus has Down syndrome, and in the process of development, it will be greatly affected, and if it is serious, it may also cause fetal abortion, so the risk of twins is still relatively large.

Although they are in the same placenta, they are individuals, and the nutrients they absorb must not be exactly the same, and the mother's belly is so big, one is bigger, and the other must be smaller.

Because the child's physique is different, the nutrients absorbed are also different, so there will be a big and small situation, because of the pregnancy of twins, usually pregnant mothers should do a moderate amount of physical exercise.

Although they are identical twins, sometimes some individuals in the mother's body are stronger, and they absorb more nutrients, and even identical twins have strong and weak sizes.

Development is not the same. One large and one small appears because one absorbs more nutrients and the other has less, and the nutrients are unbalanced.

Twins are in the same placenta, this is because there is a fetus in the mother's belly to absorb more nutrients, more sufficient, so he grows bigger, this is generally the elder brother or sister, and the younger one is the nutrients and ingredients absorbed by the elder brother and sister, and they absorb less, so they grow smaller.

The main reason for the appearance of a large and a small is that this nutrient is unevenly distributed, so some babies will absorb it, and more babies will absorb less, in this case, a large and small one will be formed.