Glucose Test Question

Kelsey • 👧🏼👼🏼👼🏼👼🏼👼🏼 Had my little girl that came early on 2-24-20! Now TTC #2 but 4 early MC in 2021 l 0 BFP in 2022😩. We will see if 2023 will be THE year. At least I’ve got my girl 👧🏼

Does anyone know why they do a full blood draw at your glucose test instead of using a glucometer and prick your finger to get your glucose reading????