Table 5.

Pregnancy interrupted and outcomes

Outcomes	Definition
Pregnancy interrupted	ICD-9-CM diagnosis 632–639, 761.8, 136.9, 656.4 or procedure 6859, 6901, 6902, 6909, 6951, 6952, 6993, 7491, 750, 9649, 6909, 6298
Ovarian hyperstimulation syndrome	ICD-9-CM 2561.x
SGA	Whether the infant with weight, length, and/or head circumference at birth below the 10th percentile of the reference distribution for gestational age and sex*
LBW	A birth weight of an infant of 2,499 g or less
PRETERM	A baby born before 37 weeks of gestation

^*[14]