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. 2015 Mar 20;2015(3):CD003988. doi: 10.1002/14651858.CD003988.pub2

Comparison 1. LNG‐IUS (30 μg) versus nonhormonal IUD (Nova T).

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 Breastfeeding continuation at 75 days     Other data No numeric data
2 Mean days of breastfeeding (over 12 months)     Other data No numeric data