Study of Pregnancy Outcomes in Women Exposed to Rimegepant During Pregnancy

Inclusion Criteria (All Pregnancies): All pregnant women aged 16 to 49 years, inclusive, at the estimated LMP within the study observation period are eligible to enter in the study. Exclusion Criteria (All Pregnancies): * Has insufficient information to estimate LMP * Has at least 1 pharmacy dispensing for ditans (i.e., lasmiditan) within a 5-half-life time window before the estimated LMP through whichever is first: end of pregnancy or end of the study period * Has at least 1 pharmacy dispensing for a CGRP receptor antagonist other than rimegepant (i.e., ubrogepant, atogepant, and zavegepant) within a 5-half-life time window before the estimated LMP through whichever is first: end of pregnancy or end of the study period * Has at least 1 pharmacy dispensing for CGRP monoclonal antibodies (i.e., erenumab, fremanezumab, eptinezumab, and galcanezumab) within a 5-half-life time window before the estimated LMP through whichever is first: end of pregnancy or end of the study period Additional Eligibility Criteria (Rimegepant-Exposed Group): * Have a migraine diagnosis any time before the estimated LMP and through whichever is first: end of pregnancy or end of the study period * Have at least 1 pharmacy dispensing for rimegepant within the 30-day time window before the estimated LMP and through whichever is first: end of pregnancy or end of the study period * Have a recorded outcome of pregnancy within the study period * Had continuous enrollment in a health care plan with medical and pharmacy benefits during the 6-month period before the estimated LMP through a postpartum period of 42 days Additional Inclusion Criteria (Primary Comparator Group): * Have a migraine diagnosis any time before the estimated LMP and through whichever is first: end of pregnancy or end of the study period * Have at least 1 pharmacy dispensing for a medication indicated for the treatment of migraine within the 30-day time window before the estimated LMP and ending with whichever is first: end of pregnancy or end of the study period. * Have a recorded outcome of pregnancy within the study period * Had continuous enrollment in a health care plan with medical and pharmacy benefits during the 6-month period before the estimated LMP through a postpartum period of 42 days Additional Exclusion Criteria (Primary Comparator Group): • Have at least 1 pharmacy dispensing for rimegepant within the 30-day time window before the estimated LMP and through whichever is first: end of pregnancy or end of the study period Additional Inclusion Criteria (Secondary Comparator Group): * Have no migraine diagnosis any time before the estimated LMP through whichever is first: end of pregnancy or end of the study period * Have a recorded outcome of pregnancy within the study period * Had continuous enrollment in a health care plan with medical and pharmacy benefits during the 6-month period before the estimated LMP through a postpartum period of 42 days Additional Exclusion Criteria (Secondary Comparator Group): • Have at least 1 pharmacy dispensing for rimegepant within the 30-day time window before the estimated LMP through whichever is first: end of pregnancy or end of the study period