Every pregnant woman has a lot of doubts and many concerns. There are those who say that some of them are just paranoias of pregnant women, but let’s agree that in the face of some facts, there is no way to let them be confused. A situation that usually makes mothers look like a baby is when they receive their first request for morphological ultrasound with some complicated names such as fetal biometrics and BPD.
In the first place comes the joy of the first ultrasound , of being able to see the baby and check if everything is going well, but after looking closely at the references of fetal biometrics, the impression it gives is that you are reading a lot of names of rare diseases ! But rest assured, it’s nothing like that.
What are the acronyms of the exams?
Each acronym represents a reference of measures that will indicate the gestational age, weight, size of each important part of the baby’s body and thus the doctor will be able to monitor if it is developing according to expectations.
Fetal anatomy through ultrasound
The ultra morphological serves to assess the entire structure of the fetus such as brain, skull, face, hands, feet, ribs, spine, heart, chest and abdomen, including all important organs in each of these parts.
In order for the doctor to be able to evaluate this whole structure through the exam, the baby needs to cooperate! If he keeps moving a lot or is in a position that gets in the way he can compromise the exam , then you will have to hold on to anxiety and repeat the exam at another time. It is during the morphological ultrasound that the doctor makes all the important measurements and can map not only the time of pregnancy but also the weight and the entire development of the baby.
What is Fetal Biometry?
Fetal biometrics is simply the baby’s measurements , taken through morphological ultrasound, which are used to monitor the size of the fetus and also the gestational age (GA), which is essential to check if its growth is in accordance with the expected.
Gestational age can be determined by evaluating some parameters of fetal measurements. During the first three months it is mapped by the head-buttock length (CCN), in the following months the gestational age is calculated with three important measures: the cephalic circumference (CC), the length of the femur (CF) and the biparietal diameter ( DBP).
All of these parameters evaluated together allow for a smaller margin of error, since these measures must be proportional to each other. With the gestational age identified, the other measurements are only intended to monitor the baby’s growth and are very important to identify any abnormalities and have the possibility of early treatment.
So now you know, when you come across a lot of acronyms in your ultra you don’t need to despair . Remember that it is a matter of fetal biometrics and that each of them indicates an important measure of your baby’s body and that it is through them that it is possible to identify that he is growing healthy and according to the expected for the time of pregnancy.
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DBP Fetal Biometrics Information and Reference
The biparietal diameter (BPD) is the measurement of the baby’s head. This measure indicates the distance between the bones that form the side of the head (parietal bones) and is one of the most important references that assess the development of the fetus during pregnancy. There are reference measures that doctors use as a basis to monitor whether the development of the skull is within the expected for gestational age. If your baby’s measurements don’t fit the reference don’t worry, many factors can interfere and being outside (either above or below) does not mean any kind of abnormality.
Only the doctor can assess whether there is any cause for concern and will perform more detailed tests for an accurate diagnosis.
Below is the reference table for biparietal diameter measurements (DBP):
Influence of external factors on fetal biometrics
Some factors can directly interfere with the baby’s growth, which is why the references of fetal biometrics serve only as a basis , it does not mean that all babies must be within this parameter.
The mother’s physiological characteristics can influence the development of the fetus, if she had any disease during pregnancy, for example it must be known to the doctor, so that he can assess whether this can also interfere with weight gain or in some aspect of the fetus. its development.
We cannot fail to consider the characteristics of the baby’s biotype , after all it has its particularities. If the parents are taller, more slender, in short, all the genetics he carries will make his measurements suitable for “him”.
Rest assured, carry out all exams without prejudice or hasty findings. Have an open dialogue with your doctor so that you can ask for explanations of everything you have doubts and thus follow each stage of your baby’s growth with joy and without unnecessary worries.
See also: Reference Table Fetus Size and Weight
My name is Dr. Alexis Hart I am 38 years old, I am the mother of 3 beautiful children! Different ages, different phases 16 years, 12 years and 7 years. In love with motherhood since always, I found it difficult to make my dreams come true, and also some more after I was already a mother.
Since I imagined myself as a mother, in my thoughts everything seemed to be much easier and simpler than it really was, I expected to get pregnant as soon as I wished, but it wasn’t that simple. The first pregnancy was smooth, but my daughter’s birth was very troubled. Joana was born in 2002 with a weight of 2930kg and 45cm, from a very peaceful cesarean delivery but she had already been born with congenital pneumonia due to a broken bag not treated with antibiotics even before delivery.