Birth weight, decreased
More common causes
Substance use disorder
Tobacco use
Gestational diabetes mellitus
Intrauterine growth restriction
Anemia
Protein-energy malnutrition
Hypertension in pregnancy
Preeclampsia
Multiple gestation
Cytomegalovirus infection
Less common causes
Placental insufficiency
Rubella virus infection
Toxoplasmosis
Uncommon causes
Congenital varicella syndrome
Premature labor and/or delivery
Advanced maternal age pregnancy
Chromosomal abnormalities
Alcohol consumption