Which Iud Is the Smallest?

Skyla and Kyleena are the smallest IUDs (they're the same size). But keep in mind that most people (including teens and people who have never given birth) do just fine getting an IUD placed and don't need to get a smaller one.

Is Kyleena smaller than Mirena?

The Skyla and Kyleena IUDs are slightly smaller in size than Mirena and Liletta, and may be more suitable for women who have a smaller uterus, such as younger women.

Is Skyla smaller than Kyleena?

Kyleena. If Skyla is the baby of the family, Kyleena is the middle sister. It's the same size as Skyla, but releases 17.5 micrograms/day of levonorgestrel—more than Skyla's 14 micrograms/day and less than Mirena's 20 and Liletta's 19.