macrosomia
Pronunciation: mak-roh-SOH-mee-ah
Condition of newborns with birth weight exceeding normal ranges, typically above 4000 or 4500 grams.
Full Definition
Macrosomia refers to a condition in which a newborn has significantly higher than normal birth weight, commonly defined as exceeding 4000 grams (8 pounds 13 ounces) or 4500 grams (9 pounds 15 ounces), depending on the criteria used. This condition is often associated with maternal diabetes, prolonged pregnancy, or maternal obesity. Macrosomic infants are at increased risk for birth injuries, breathing difficulties, low blood sugar, and feeding problems. Delivery complications may include shoulder dystocia and increased likelihood of cesarean section. Clinical documentation should specify the exact birth weight and any associated maternal or neonatal complications.
Usage
Usage note: Specify weight criteria used; may be used interchangeably with 'large for gestational age' in some contexts.
In Context
- "The infant was born with macrosomia, weighing 4650 grams at 39 weeks gestation." — Birth summary documentation
- "Maternal diabetes contributed to the development of fetal macrosomia during pregnancy." — Obstetric consultation note