Pregnancy belly size difference

The main reason why the two sides of the pregnant belly are not the same size is because of incomplete development or a change in the position of the fetus in the belly. Wherever the baby's head is, the size of that side will increase. Therefore, for the phenomenon of different sizes of the two sides of the pregnant belly, we can check it based on the fetal movement and sleeping position. Generally, an incorrect fetal position can easily cause dystocia.

How long does it take for the belly to bulge during pregnancy?

Generally speaking, the abdominal protrusion is not obvious in the first 3 months of pregnancy. On the one hand, it is because the fetus is not fully developed. On the other hand, it is because the pregnant mother’s various pregnancy reactions are relatively strong, which leads to physical weakness, loss of appetite, and naturally the enlargement of the belly is not very obvious.

By the second trimester of pregnancy, around 4-5 months, the baby has grown bigger, the uterus has become larger, the amount of amniotic fluid has gradually increased, and the weight of the pregnant mother has continued to increase. At this time, the belly looks very obvious, which is what is commonly known as the pregnancy is obvious, but there are individual differences.

Therefore, pregnant mothers must go for prenatal check-ups on time. As long as the examination results show that the baby's development is normal, there is no need for pregnant mothers to worry about the size of their belly.

Why are the two sides of my pregnant belly different in size?

This happens to many pregnant women. This is because the position of the fetus in the belly has changed, and the baby's head will protrude from the other side, so the pregnant woman's belly will look very different in size on the left and right sides. The reason why the left and right sides of a pregnant woman's belly look different is probably due to the following two reasons:

1. Fetal movement

In the later stages of pregnancy, the fetus in the mother's belly will be very active, and sometimes will turn over, so it will be on the left side for a while, and then on the right side. And the baby makes a lot of noise when moving from the left to the right, so the pregnant mother will see her belly getting smaller and bigger at the same time.

2. Sleeping position

The mother's sleeping posture will also make her belly appear larger on one side and smaller on the other. In the later stages of pregnancy, for the safety of the baby, many mothers choose to sleep on their left side. Over time, the baby gets used to staying on the left side of the mother's belly, so the pregnant mother's belly always appears to be bigger on one side and smaller on the other.

Therefore, if a pregnant mother sees that the left and right sides of her belly are different sizes, it is normal. As long as there is no other discomfort, there is no need to worry too much. However, if you feel any discomfort, you must go to the hospital for a B-ultrasound to check whether there is any problem with the fetus.