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