. 2011 Jun 1;203(11):1679–1685. doi: 10.1093/infdis/jir168

Table 1.

Characteristics of Study Participants

	Pregnant women		Nonpregnant women^*
Characteristic	Ngali II	Yaoundé	Nonpregnant women^*
Number of women	63	50	22
Number of total samples	134	116	31
Primigravidae women (%)	40	41
Maternal age (mean ± SD in years)	23,4 ± 5.9	23,8 ± 4.8	27.0 ± 7.9
Number of samples – collected at 1^st; 2^nd; 3^rd trimesters	0;55;79	6;47;63
Number of samples (placenta IVS; peripheral blood) collected at term	19;25	7;13

NOTE. *Includes women from both sites (Ngali II, n = 12 and Yaoundé, n = 10 women).