From the moment of fertilization of an ovum before childbirth there pass 9 months. Every month the tummy of the pregnant woman increases in sizes. At some pregnant women it becomes noticeable slightly earlier, at others a bit later. At someone the stomach has the big size, and at someone is hardly visible. What tummy the woman will have during pregnancy, depends on many factors.
Each pregnant woman wants that people around noticed her situation. Especially if this desired first pregnancy. Some begin to buy to themselves clothes for pregnant women already since that moment as soon as they learn about the interesting situation. Others spend much time in front of the mirror, trying to make out whether their tummy was rounded already or not. There is no definite answer to a question when the stomach begins to grow.
The factors influencing growth of a stomach at the pregnant woman:
At the first pregnancy the woman can notice that her tummy begins to be rounded after 16 weeks. Of course, it will be imperceptible for people around so far. At the second and the subsequent pregnancies the stomach begins to become more noticeable a little earlier. It is connected with the fact that the uterus and muscles of an anterior abdominal wall were already exposed earlier to stretching.
If future mom has a narrow basin, her tummy begins to be noticeable earlier, than at mummies with wide hips. The uterus at such women cannot grow in the parties because of their anatomic features therefore it begins to rise over a pubic bone. Interesting situation at thin girls becomes visible quicker, than at full. At mummies who expect birth of two kids at once the stomach becomes noticeable on the third month of pregnancy. An important factor is the heredity. If on the mother's side all women during pregnancy went with small stomachs, then you should not expect a tummy of the big size.
After 16 weeks of pregnancy most of mothers begin to think of change of clothes. For pregnant women you should not delay with purchase of clothes. It is dangerous to carry the things drawing a stomach for development of a fruit.
On what month do people around begin to see a tummy of the pregnant woman?
Interesting situation at the women bearing the first kid becomes noticeable surrounding closer by seventh month of pregnancy. At pregnant women for the second time for a month a bit earlier. Go on a maternity leave of the woman on 30 weeks. It is connected with the fact that after this mark the stomach begins to grow very quickly. If to this term the kid in a womb of mother developed, then now his main objective is a set of weight. Closer to the 36th week of pregnancy to the woman because of a pot-belly which presses on a diaphragm, becomes to pant. This discomfort will pass in two weeks prior to childbirth, in 38 weeks.
How do obstetricians-gynecologists measure a stomach at pregnancy?
Since 20th week of pregnancy the obstetrician-gynecologist on reception will measure such indicator as height of standing of a bottom of a uterus. Doctors can determine by it whether pregnancy and a fruit well develops. Height of standing of a bottom of a uterus is measured from a lonny joint to the top point of a uterus. Since 24 weeks, this indicator has to equal to pregnancy term in weeks. When the uterus before childbirth falls down, it decreases and becomes equal to 32 cm.
Norms of an indicator of height of standing of a bottom of a uterus: 16 weeks – 6 cm; 20 weeks – 11 - 12 cm; 24 weeks – 24 cm; 28 weeks – 28 cm; 32 weeks – 32 cm; 36 weeks - 34 - 36 cm; 38 weeks – 35 - 38 cm; 40 weeks – 32 cm.
Happens so that the same woman at several pregnancies has a stomach size different. Doctors say that each pregnancy is unique. Therefore, and absolutely identical tummies do not happen.