Hepatitis C and pregnancy

Table 2 Proportion of intravenous drug use or blood transfusion risk factors in pregnant hepatitis C virus-positive mothers

Ref.	No. screened	IVDU	BT
Paccagnini et al[16]	70	79.00%	9.00%
Zanetti et al[17]	94	17.00%	13.00%
Granovski et al[18]	147	79.00%	NA
Hillemanns et al[19]	35	20.00%	11.00%
Resti et al[20]	403	25.00%	4.50%
Gervais et al[21]	26	35.00%	19.00%
Conte et al[4]	370	32.00%	18.00%
Baldo et al[6]	40	45.00%	2.50%
Mast et al[22]	242	52.30%	19.80%
Mean		42.60%	12.10%

IVDU: Intravenous drug use; BT: Blood transfusion.