Final answer:
The recommended timing for glucose tolerance test (GTT) screening in patients with gestational diabetes mellitus (GDM) is usually performed between 6-12 weeks postpartum.
Step-by-step explanation:
Glucose tolerance test (GTT) is a screening test done in patients suspected with diabetes mellitus. It is used to measure how well the body processes glucose. GTT may also be used in patients with gestational diabetes mellitus (GDM) to screen for the development of diabetes after pregnancy. The recommended timing for GTT screening in patients with GDM is usually performed between 6-12 weeks postpartum.