TABLE 2.

Effect of anti-yellow fever vaccination administered on gestation days 0.5, 5.5, or 11.5 on placental and fetal weights.

	n	Fetal weight (g)	Placental weight (g)
Control gd 0.5	53	0.89 ± 0.17	0.15 ± 0.03
Vaccinated gd 0.5	50	0.87 ± 0.09	0.14 ± 0.02
Control gd 5.5	180	0.95 ± 0.10	0.14 ± 0.04
Vaccinated gd 5.5	158	0.82a ± 0.12	0.13 ± 0.01
Control gd 11.5	83	0.91 ± 0.11	0.13 ± 0.02
Vaccinated gd 11.5	57	0.88 ± 0.06	0.13 ± 0.02

Values correspond to mean ± SD; values indicated by letters highlight statistical differences in comparison to the respective age-control. Student’s t-test (^ap = 0.004).