Table 3.

Number and proportion of withdrawal from follow-up for different reasons

	The 1st year (n = 211 ） n (%)	The 2nd year (n = 203) n (%)
changes in bleeding pattern	4 (1.90%)	44 (21.67%)
family planning requirements	2 (0.95%)	11 (5.42%)
dizziness and headache	0 (0%)	2 (0.99%)
acne	0 (0%)	1 (0.49%）
Weight gain	0 (0%)	2 (0.99%)
pain and discomfort in the left lower extremity	1 (0.047%)	1 (0.49%)
divorce without contraception	1 (0.47%)	0 (0%)
low sexual desire	0 (0%)	1 (0.49%)
flustered and sleep quality drop	0 (0%)	1 (0.49%)
upper lip hair increased	0 (0%)	1 (0.49%)