Fetal macrosomia is a term used to describe a newborn whose birth weight exceeds either 4,000 or 4,500 grams. Large for gestational age (LGA) is another term used to describe excessive fetal growth resulting in a birth weight equal or more than the 90th percentile for the gestational age. The risk for complications to the newborn and the patient increases with fetal macrosomia and include but are not limited to: shoulder dystocia, birth injury (eg brachial plexus injury, clavicular fracture), low APGAR scores, prolonged NICU stay, higher cesearean section rates, postpartum hemorrhagge, choriamnionitis (infection), and large vaginal tears.
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