Generic name: levonorgestrel intrauterine system [ lee-voe-nor-jes-trel-in-tra-ue-ter-ine-sis-tem ] Drug class: Contraceptives , Progestins Dosage form: intrauterine device Availability: Prescription only Pregnancy & Lactation: Risk data available Brand names: Kyleena , Liletta , Plan b one-step , Bionafem , Econtra ez What is Skyla? The Skyla intrauterine device (IUD) contains levonorgestrel, a female hormone that can cause changes in your cervical mucus and uterine lining, making it harder for sperm to reach the uterus and harder for a fertilized egg to attach to the uterus. Skyla is a small, flexible plastic T-shaped device. This device is placed in the uterus where it slowly releases the hormone to prevent pregnancy for 3 years. (Other types of levonorgestr...
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