ADHD	Attention deficit hyperactivity disorder
ADD	Attention deficit disorder
HCUP-NIS	Healthcare Cost and Utilization Project–Nationwide Inpatient Sample
HDPs	Hypertensive disorders of pregnancy
ICD	International Classification of Disease
GDM	Gestational diabetes mellitus
CD	Cesarean delivery
BMI	Body mass index
PTD	Preterm delivery
PPH	Postpartum hemorrhage
SGA	Small-for-gestational-age
IUFD	Intra-uterine fetal death
OR	Odds ratio
CI	Confidence interval
HMO	Health Maintenance Organization
DM	Diabetes mellitus
HIV	Human immunodeficiency virus
IVF	In vitro fertilization
PPROM	Preterm premature rupture of membranes
SVD	Spontaneous vaginal delivery
DVT	Deep vein thrombosis
PE	Pulmonary embolism
N/A	Not applicable
VTE	Venous thromboembolism
DIC	Disseminated intravascular coagulation