Maternal susceptibility to infection. (A) Time-course parasitaemia of P. berghei K173 (A), NK65 (B) and ANKAΔpm4 (C) in C57BL/6 pregnant and non-pregnant females. Animals were infected i.v. with 106 IE at G13 (A, B) or at G10 (C). Highlighted area corresponds to G18 (A, B) or G19 (C). Parasitaemia of DRAQ-5 labelled samples was followed by FACS. Unpaired t test (WelchÂ´s correction) *p<0.05; ** p<0.01; ***p<0.001.