The interest that causes the development of the child inside the womb does not leave the mother from the very beginning of the gestation process. However, data obtained as a result of various studies are not always clear, and consultations in state centers of gynecology also do not differ in detail and simplicity. We will try to describe in more detail and accessible the main indicators of growth and development of the fetus for weeks.
Fetal size chart by week
To facilitate the work of obstetricians and gynecologists, a special table was created, containing optimal indicators of the child's growth from the beginning of gestation to delivery. Thanks to it it is possible to correlate the norms of the size of the fetus by weeks with the process of pregnancy, the general state of the mother and the child, to obtain an accurate picture of the development of the baby, and so on. The availability of this information gives mothers the opportunity to personally verify the truthfulness of the results of ultrasound or other research methods.
What are the sizes of the fetus for weeks?
Just want to note that the information below is not a constant, and you do not need to panic if your kid's "size" is slightly smaller or larger. Each pregnancy is a unique and unique process of the birth of a new life, which can not be exactly the same. So, what are the sizes of the fetus at different stages of maturation:
- The size of the embryo, reached the age of 4 weeks, reaches about 4 mm and, most likely, the woman already knows about its existence.
- Already at the age of eight weeks, the embryo can "boast" of growth of 3 centimeters, and on the monitor of the ultrasound apparatus, the outlines of the future face are viewed.
- The size of the fetus at 12 weeks varies in the range from 6 to 7 centimeters. The tummy of women starts to increase gradually, giving the child more space for development.
- At the end of the 4th month of bearing the child reaches a height of 15-16 centimeters, weighs 150 grams and actively moves in a fetal bladder.
- The size of the fetus at 22 weeks is 30 centimeters, all organs and systems function fully.
- 33-36 weeks are characterized by the child's readiness to be born. The growth reaches 45-50 centimeters, and the weight varies in the range of 3-3.5 kg.
During pregnancy, especially if there are any abnormalities of gestation, there is a need to remove other indicators of full development of the fetus. Consider the main of them, which take possession of attention of obstetricians and gynecologists.
Fetal head size
Obtaining these indicators is necessary to specify the period of gestation and the assumption of which way the delivery will take place. Since it is the baby's head that first enters the birth canals and the load on it is extremely high, then establishing its shape, size and density is a very important process.
Coccyx-parietal fetal size
This indicator is measured before the 11th week of gestation, because in the future the data become less accurate. Due to the measurement and average data of the CTF of the fetus, it is possible to establish the age of the child, its approximate weight and dimensions, for weeks . This is done with the help of ultrasound.
The size of the cerebellum of the fetus by weeks
Studying these indicators at early gestation times gives the obstetrician the opportunity to correlate the degree of development and the size of the fetus during pregnancy, to obtain full information about possible genetic deviations, to assess the general state of the child's body and so on. The cerebellum, to a certain extent, is responsible for the correct and complete laying of systems and organs.
Frontal-occipital size of fetal head
These indicators also serve to specify the period of gestation and to identify the discrepancies in the size of the fetus during pregnancy. The data are calculated by the ultrasound machine or manually according to the generally established formula.