Endometrial thickness
The endometrial thickness before TCRA was comparable between the two groups (median: 0.2 cm in the transdermal group vs. 0.25 cm in the oral group, The comparison of pre- and post-operative endometrial thicknesses between the transdermal and oral group. The data are presented as median, 25th and 75th percentiles of the distribution. Statistical analysis was performed using the Mann‐Whitney U test, a nonparametric test was used for independent sample t test. NS, no significant difference.