Which one of the following statements is false about threatened labor
A.regularuterine contractions
B.flatteningof cervicalcanal
C.cervical dilation
D.bloody show
正确答案:bloody show
Which one of the following statements is false about threatened labor
A.regularuterine contractions
B.flatteningof cervicalcanal
C.cervical dilation
D.bloody show
正确答案:bloody show