Table 5.

Relationship between fetal adverse events and severity of HFRS.

	Adverse	No adverse	X2	P-value
	events	events
	occur	occurred
Fetal adverse events ( n /%)
Mild and moderate type	0	12	4.909	0.047
Critical (severe and gravis type)	5	10

HFRS, Hemorrhagic fever with renal syndrome.