What characterizes asymmetrical small for gestational age infants?

• A. Reduction in weight > length
• B. Reduction in length > weight
• C. Proportional weight and length reduction
• D. Proportional length increase

Answer: (A)

Asymmetrical small for gestational age (SGA) infants are characterized by a reduction in weight that is greater than the reduction in length. This type of growth restriction often indicates that the fetus has experienced some form of stress during the latter part of the pregnancy, such as placental insufficiency. As a result, the body prioritizes essential functions to maintain organ development, leading to a more significant impact on weight gain compared to length.

In asymmetrical SGA, while the length may still be adequate or closer to average for their gestational age, their weight is significantly lower. This can result in a more "thin" appearance, as these infants are not as well-nourished as they should be for their size. This distinction is crucial in assessing the health and potential complications for these infants, as their growth patterns may hint at underlying issues that need to be addressed.

The other options imply different growth patterns that do not accurately reflect the typical presentation seen in asymmetrical SGA infants, where the primary concern is the disproportionate impact on weight versus length.