Pregnancy Exposure Registry for Avonex (Interferon Beta-1a)

Inclusion Criteria

• •Have been exposed to AVONEX within approximately 1 week of conception or during the first trimester of pregnancy.
• •Provide sufficient information to determine that the pregnancy is prospectively registered (i.e., the outcome of pregnancy must be unknown prospectively).
• •Provide verbal consent to participate in the Registry.
• •Verbally provide contact information for herself, her HCP, and the infant's HCP (if applicable).