@Mom, belly size ≠ fetal size
The size of the pregnant belly is actually affected by these factors

01
amniotic fluid
You know, there is not only a fetus in the belly of the mother, the amniotic fluid is also one of the "parts", and the amount of amniotic water of each mother is different, if there is more amniotic fluid, it will naturally make the mother's belly appear larger.
02
Mommy's pelvis
Usually the pelvis is relatively wide, the stomach does not look very large, but if the pelvis is narrower, the stomach will be slightly forward, visually it appears larger.
03
Mom belly fat
The overall size of the stomach, as the "package" of belly fat of course also has a certain contribution. Generally speaking, the fuller mother will have more belly fat, and the belly will naturally look larger than the thin mother.
04
Placental position
I believe that Bao Mom will also contact the two statements of "front wall" and "back wall" from the doctor's mouth when doing B ultrasound, or when doing B overtime? They actually refer to the position of the placenta in the womb. Usually the placenta is attached to the anterior wall of the uterus, the position of the fetus will be relatively backward, and the mother's belly is usually not large, but the waist will be thicker;
And if the placenta is attached to the back wall of the uterus, the position of the fetus is relatively front, then the mother's belly will appear larger, it looks like the stomach is pointed, the waist will be thin, and even from the back it looks like it is not pregnant.
05
The location of the fetus
That is, the often heard "upper and lower arms". Usually in the 4th and 5th months of pregnancy will begin to show pregnancy, some of the mother's belly will continue to bulge upwards, this is the upper pregnancy, and some of the mother's belly will continue to fall down, this is the lower pregnancy. Compared with the two, the upper pregnant bao mama will be more belly, while the lower pregnant bao mama will be slightly clumsy when walking, and the hips will be wider.
How do you know the size of the fetus?
The following two methods are commonly used
▲ By measuring the height of the palace
At almost every obstetric examination, the medical staff will use a measuring scale to measure the length of the base of the mother's uterus (near the position below the sternum) to the pubic bone, that is, the height of the uterus (referred to as the height of the uterus), and then combined with the data of abdominal circumference, the weight of the fetus can be estimated.
▲ The double top diameter value of the fetal head is determined by B ultrasound
The double top diameter of the fetus, that is, the length of the zui wide part between the left and right sides of the fetal head, is also known as the large transverse diameter of the head. As the gestational age increases, the fetus grows, and the double top diameter also becomes larger, so the fetal weight can also be estimated through B ultrasound data such as the double top diameter.
note:
The size of the fetus and the mother to eat more and eat less is actually not much to do, nutritional intake balance is more important, such as some do not pay much attention to nutritional collocation of the mother, more love to eat high-sugar, high-calorie food, their own weight went up, but the baby may not take much nutrition.
In addition to nutritional intake, the size of the fetus is also affected by genetic factors, the number of fetuses, blood glucose levels, placental function and other aspects, so it is not possible to judge whether the baby's development is normal simply according to the size of the fetus, and the specific needs to be concluded after the doctor's comprehensive assessment, so it is recommended that the mother who is worried about the fetal development problem, go to the hospital in time to check, do not scare yourself.