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Difference between small for gestational age and low birth weight?

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Success89 Success89 (New) New

Hello!

can you please tell me if there is a difference between small for gestational age and low birth weight? I see both terms used independently but I understand them to mean similar things. Thanks!

meanmaryjean, DNP, RN

Specializes in NICU, ICU, PICU, Academia. Has 40 years experience.

An 800 gram baby born at 33 weeks is small for gestational age.

An 800 gram baby born at 26 weeks is low birth weight.

EricJRN, MSN, RN

Specializes in NICU. Has 15 years experience.

Yep - LBW is strictly based on weight, regardless of the baby's gestational age.