Comparison 19. LNG‐IUC versus no hormonal contraceptive.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Mean changes in body composition by 12 months			Other data	No numeric data
2 Mean change in weight (kg) at 1 year	1	60	Mean Difference (IV, Fixed, 95% CI)	0.8 [‐0.75, 2.35]
3 Mean change in BMI (kg/m2) at 1 year	1	60	Mean Difference (IV, Fixed, 95% CI)	‐0.3 [‐0.75, 0.15]
4 Mean change in fat mass (%) at 1 year	1	60	Mean Difference (IV, Fixed, 95% CI)	1.6 [0.45, 2.75]
5 Mean change in fat free mass (%) at 1 year	1	60	Mean Difference (IV, Fixed, 95% CI)	‐1.6 [‐2.75, ‐0.45]