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Difference between IUGR and SGA

Difference between IUGR and SGA

There is a lot of discussion surrounding IUGR and SGA babies, but what does it all mean? Let’s start by defining the two terms. IUGR stands for “intrauterine growth restriction” and indicates that a baby is growing more slowly than expected in the womb. SGA stands for “small for gestational age” and refers to babies who are born smaller than average. So what’s the difference between these two conditions? And which one is worse? While there isn’t necessarily a black-and-white answer to this question, there are some key distinctions that can help us understand it better. Keep reading to learn more!

What is IUGR?

IUGR stands for intrauterine growth restriction. IUGR is a pregnancy complication that describes a situation where the baby is smaller than expected. IUGR can be mild, moderate, or severe, depending on how much the baby weighs. IUGR can cause problems with the baby’s health after birth, such as respiratory distress, jaundice, and low blood sugar levels. IUGR can also increase the risk of stillbirth. IUGR is diagnosed through ultrasounds during pregnancy. IUGR can be caused by many things, including maternal smoking, maternal malnutrition, and certain infections during pregnancy. Treatments for IUGR include bed rest, medication to stop labor from happening too early, and delivering the baby early if necessary. If you are diagnosed with IUGR, it is important to follow your doctor’s instructions and stay closely monitored during pregnancy.

What is SGA?

SGA is an acronym for small for gestational age. This term is used to describe babies who are smaller than average for the number of weeks of pregnancy. The average weight for a full-term baby is about seven and a half pounds. But SGA babies weigh less than five and a half pounds. They’re also often shorter than 20 inches long. SGA babies are at higher risk for certain health problems, such as respiratory distress, low blood sugar, jaundice, and infection. They may also have developmental delays and problems with their growth during childhood. SGA is usually diagnosed after birth, based on the baby’s weight, length, and head circumference. In some cases, it may be diagnosed during pregnancy if the baby’s size appears to be small based on ultrasound measurements. If you’re pregnant and have concerns about your baby’s size, talk to your healthcare provider. They can help you understand your risks and options.

Difference between IUGR and SGA

IUGR, or intrauterine growth restriction, is a condition in which an unborn baby is smaller than it should be for its gestational age. SGA, or small for gestational age, is a condition in which a newborn baby is smaller than expected for its gestational age. Although both IUGR and SGA babies are small, there are some important differences between the two conditions. IUGR babies tend to be born premature, while SGA babies are usually full-term. IUGR babies also have a higher risk of health problems after birth, such as respiratory distress and cerebral palsy. In contrast, SGA babies are more likely to catch up in growth after birth and do not have an increased risk of health problems. As a result, it is important to distinguish between IUGR and SGA in order to provide the best possible care for small babies.


IUGR and SGA are both conditions that can affect a baby’s health. It is important to be able to distinguish between the two in order to provide the best possible care for your child. If you have any questions or concerns about IUGR or SGA, please consult with your doctor.

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