Figure 3.

Gestational and perinatal mortality in acutely T. cruzi-infected mice. T. cruzi-infected (filled bars) or uninfected (open bars) mice were either killed at days 17 or 19 of gestation (A) or allowed to deliver (B), and mortality of the progeny was recorded. The mortality occurring in early gestation corresponded to resorptions, that of midgestation to macerated fetuses, and that of late gestation to immobile fetuses seen at G19. The perinatal mortality comprises stillbirths and newborns that were eaten by their mothers 24 to 48 hours after birth. Results are expressed as mean ± SEM of n dams per group. C: The arrow indicates a resorption. D: Macerated fetus and its placenta. E: Alive fetuses with their placenta at G19, from an infected (left) and an uninfected (right) mouse, showing growth retardation in the fetus of infected dam.