Dominant lethal assay (DLA) after males were treated with Zidovudine or Nevirapine for eight weeks.

DLA simulates when the “father-only” is ARV treated.
EMS = Ethylmethylsulfonate (one-time dose); ZDV = Zidovudine; NVP = Nevirapine.
aNumber of pregnancies observed after 1∶1 mating.
bNumber of pregnancies before/after adding dams with heavy arterial linings to the pregnancy count. Dams with heavy arterial lining of the uterus and/or uterine fluids indicate fertile mating had occurred but was aborted early.
cNumber of implants per pregnant dam or the average from all pregnant dams in the group.
Differences in number of aborted pregnancies at week 4 versus week 8 was not significant.
Dominant lethal assay (DLA) after males were treated with Zidovudine or Nevirapine for eight weeks.