Patients under the age of 18 years
Patients with Tuberculosis (TB), HIV, Hepatitis B or Hepatitis C
Patients currently institutionalized for a psychiatric disorder, have intellectual disability or who are currently incarcerated
Patients with abnormal serum analytes, as defined by one or more of the following: Low PAPP-A (<0.30), High AFP (>2.5), High HCG (>3.0), High Inhibin (>2.0), Low UE3 (<0.30)
Patients with poor pregnancy outcome as defined by severe preeclampsia, placental abruption, PPROM, short cervix, eclampsia, HELLP syndrome, intrauterine growth restriction (newborn < 5th percentile for gestational age), or stillbirth (>16 weeks’ gestation), or intrauterine fetal death with placental involvement
Patients with maternal medical comorbidities as defined by having any of the following: gestational hypertension, renal disease, Type 1 or Type 2 diabetes, antiphospholipid antibody syndrome, lupus, or other autoimmune disorders
Patients with any other fetal complication including, but not restricted to, fetal structural anomalies or genetic abnormalities
Any other pregnancy or maternal complication including, but not restricted to, structural placental membrane or cord abnormalities, multifetal gestation, placenta accreta spectrum, etc.