Many women who have recently learned about their "interesting" situation, closely monitor all the changes occurring in their body. They want their tummy to grow up, because it will finally help to believe and truly realize that life has arisen inside. Future mothers can not wait to share their joy with the world around them. And so they are interested in why the abdomen grows during pregnancy, what happens to the uterus during pregnancy, when the stomach grows and when it becomes noticeable.
The stomach in the first trimester
The way the abdomen grows during pregnancy depends on the growth of the uterus, the growth of the fetus itself and the increase in the number of amniotic fluid, as well as the individual characteristics of the woman herself. As a rule, the stomach in the early stages of pregnancy does not increase in size especially.
This is due to the fact that in the first trimester the embryo is very small. For example, in the first six weeks of pregnancy, the diameter of the fetal egg is only 2-4 mm. By the end of the first trimester the length of the embryo is about 6-7 cm, the volume of amniotic fluid is not more than 30-40 ml. The uterus also increases. To monitor the dynamics of its growth and the timing of your gynecologist will measure the stomach during pregnancy for weeks. In this case, the height of the bottom of the uterus should correspond to the week of pregnancy, that is, at 12 weeks the distance from the pubis to the top point is on average about 12 cm.
And if in the first three months of pregnancy the belly becomes bigger, then due to overeating, as in women in the position, the appetite increases. Also, the stomach is slightly enlarged due to the frequent problem of expectant mothers - increased gas production.
Belly in the second trimester
The second trimester is just the time when the abdomen is noticeable during pregnancy. There is a sharp increase and weight gain of the fetus. The uterus is also growing rapidly. Thus, at week 16, the fetal growth is approximately 12 cm and the weight is about 100 g. The height of the uterine fundus is about 16 cm.
Doctors say that 15-16 weeks is the time of the first pregnancy, when the stomach begins to grow. But others will start to guess about your beautiful "secret" at about 20 weeks, especially if you wear tight fitting things. However, in some women, the stomach is swollen a little later or earlier. This is due to some peculiarities:
- this is affected, for example, by the anatomical features of the structure. In women with wide thighs and high growth, pregnancy is less noticeable than in women with narrow hips;
- the size of the abdomen during pregnancy depends on the type of presentation of the fetus. If the fetus is located on the front wall of the uterus, the abdomen is drawn earlier, and on the back, closer to the spine, then later;
- and if you have a second pregnancy, when the stomach grows? Because of the first pregnancy, the elasticity of the abdominal wall is reduced, so the stomach in these women bulges and becomes noticeable a little earlier - at 15-17 weeks;
- If the child is large, the rate of its growth is accelerating. And, accordingly, the time when the belly is visible during pregnancy, comes faster.
Belly in the third trimester
By the beginning of the third trimester, when the growth of a child is increased to 28-30 cm, and weight - up to 700-750 g, your pregnancy is no longer in anyone's doubt. The height of the bottom of the uterus is 26-28 cm. The abdomen is already clearly visible, even
Thus, impatient future mothers, in order to tell the world about their happiness, will have to wait until the end of the second - the beginning of the third semester.