These two groups are further subdivided according to their associated risks and management.The two subtypes of gestational diabetes under this classification system are:

Type A1: abnormal oral glucose tolerance test (OGTT), but normal blood glucose levels during fasting and two hours after meals; diet modification is sufficient to control glucose levels
Type A2: abnormal OGTT compounded by abnormal glucose levels during fasting and/or after meals; additional therapy with insulin or other medications is requiredDiabetes which existed prior to pregnancy is also split up into several subtypes under this system:
Type B: onset at age 20 or older and duration of less than 10 years. Type C: onset at age 10–19 or duration of 10–19 years. Type D: onset before age 10 or duration greater than 20 years. Type E: overt diabetes mellitus with calcified pelvic vessels. Type F: diabetic nephropathy. Type R: proliferative retinopathy. Type RF: retinopathy and nephropathy. Type H: ischemic heart disease.
The drug is also prohibited for use in competition by most equestrian organizations, including the FEI, which considers it a class A drug. See also
Levallorphan
Nalbuphine
Nalfurafine
Nalorphine
Xorphanol

Notes


== References ==