Problem: Sherry is a 29 yo non-Hispanic White woman here for her first prenatal visit with a positive pregnancy test at home 1 week ago. Below is her history: BMI - 24 Medical history: asthma Surgical history: unremarkable Family history: mom and MGM - diabetes and HTN Obstetric history: 1 NSVD in 2016 of boy 6# 5 oz 1 Elective abortion Social history: history of heroin use in 2016, rec'ed treatment and has been clean for 2 years and still going to support group; no alcohol; no smoking Works at a daycare On top of what is routine for normal prenatal care, what test would you want to add to her OB panel?