Date are presented as number(%).
Figure Legends:
Fig.1. Scatter diagram and trend line(quadratic fit curve) of E2 and
β-HCG of the ongoing pregnancy group and the inevitable abortion group.
a:Scatter diagram and trend line of E2 of the two groups
(R2=0.436,0.597); b:Scatter diagram and trend line of β-HCG of the two
groups (R2=0.050,0.475).
Fig.2. The sensitivity and specificity values of E2 level differences
from 5th to 8th week of gestational age as predicted by ROC curve
analyses. a:5th week; b:6th week; c:7th week; d:8th week.