Norplant (levonorgestrel implants) Sep 2000

Health professionals are asked to discontinue insertion of Norplant System from kits with a package expiration date that includes the year 2004. During regular quality assurance monitoring, representative samples of several product lots tested within product specifications, but at the lower end of the release rate specification for shelf life stability.

[September 13, 2000 - Update Letter - Wyeth-Ayerst]
[August 10, 2000 - Letter - Wyeth-Ayerst]