1 Medical history of NIDDM 8. AZT should be administered as a component of a combination regimen starting at 32 weeks of gestation at the latest. 6 NonHispanic blacks 40. Summary: Based on available data, however, blips should not necessitate an imme diate change of HAART. Int J Epidemiol 7. Blood 2000, 96:206973. 2004, 11:2316 1.