The primary objective of this study is to estimate the proportion of major congenital malformations in infants of women with migraine exposed to erenumab-aooe during pregnancy compared to infants of women with migraine unexposed to erenumeb-aooe.

Inclusion Criteria:

• Age 18 years or older (at time of signing the informed consent)
• Currently pregnant
• The outcome of the pregnancy must not be known
• Confirmed clinical diagnosis of migraine

Exclusion Criteria:

• Women currently participating in another investigational device or investigational drug study, currently taking an investigational medicinal product, or having taken an investigational product within 3 months prior to last menstrual period (LMP) or during pregnancy. Other investigational procedures while participating in this study are excluded.
• Women exposed to any medications that target the calcitonin gene-related peptide (CGRP) pathway (ie, CGRP monoclonal antibody [mAb] or gepants) in the period from 5 half-lives prior to LMP through the end of pregnancy.

Pregnant women

De-identified individual patient data for variables necessary to address the specific research question in an approved data sharing request.

Data sharing requests relating to this study will be considered beginning 18 months after the study has ended and either 1) the product and indication have been granted marketing authorization in both the US and Europe or 2 ) clinical development for the product and/or indication discontinues and the data will not be submitted to regulatory authorities. There is no end date for eligibility to submit a data sharing request for this study.

Qualified researchers may submit a request containing the research objectives, the Amgen product(s) and Amgen study/studies in scope, endpoints/outcomes of interest, statistical analysis plan, data requirements, publication plan, and qualifications of the researcher(s). In general, Amgen does not grant external requests for individual patient data for the purpose of re-evaluating safety and efficacy issues already addressed in the product labelling. Requests are reviewed by a committee of internal advisors. If not approved, a Data Sharing Independent Review Panel will arbitrate and make the final decision. Upon approval, information necessary to address the research question will be provided under the terms of a data sharing agreement. This may include anonymized individual patient data and/or available supporting documents, containing fragments of analysis code where provided in analysis specifications. Further details are available at the URL below.