Actual 18 week fetus6/27/2023 You may also have this special type of ultrasound to diagnose FGR. A diagnosis of FGR is based on the difference between actual and expected measurements at a certain gestational age.ĭoppler ultrasound. Your healthcare provider or a technician will use the images to measure the baby. Sound waves will not harm you or the baby. Ultrasound uses sound waves to create images of the baby in the womb. Estimating fetal weight with ultrasound is the best way to find FGR. If your healthcare provider thinks you have FGR, you will have other tests. If the fundal height is less than expected, it may mean FGR. For example, at 24 weeks gestation, your fundal height should be close to 24 cm. Fundal height, measured in centimeters (cm), is about the same as the number of weeks of pregnancy after the 20th week. To check fundal height, your healthcare provider measures from the top of your pubic bone to the top of your uterus (fundus). During pregnancy, the size of your baby is estimated in different ways, including:įundal height. One of the main reasons for regular prenatal exams is to make sure your baby is growing well. But a baby with FGR may have certain signs after birth, such as: High blood pressure or other heart and blood vessel diseaseįactors in the baby that can cause FGR include:Ī pregnant woman doesn’t have symptoms of FGR. Factors in both the mother and the baby may cause FGR.įactors in the mother that can cause FGR include: Or the blood flow through the umbilical cord may be limited. These include problems with the placenta or umbilical cord. But many newborns who are small may just be small. FGR may affect the overall size of the baby and the growth of organs, tissues, and cells. Newborn babies with FGR may be called “small for gestational age.”įGR can begin at any time during pregnancy. This means that the baby weighs less than 9 out of 10 babies of the same gestational age. It is often described as an estimated weight less than the 10th percentile. Fetal Growth Restriction What is fetal growth restriction (FGR)?įetal growth restriction (FGR) is a condition in which an unborn baby (fetus) is smaller than expected for the number of weeks of pregnancy (gestational age).
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