Figure 1.
The definition of previous cycle and current cycle.
Figure 2.
The recruitment profile for this study.
Table 1.
Baseline characteristics (socio-demographic characteristics).
Table 2.
Baseline characteristics (history of reproduction, gynecology, and surgery).
Table 3.
The association between EP risk and contraceptive method used during the previous cycle.
Table 4.
The association between EP risk and contraceptive method used in the current cycle.