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| Methods | cohort study | |
| Participants | 1992‐1997 99 cases / 216,356 women years (healthcare plan) age: 15‐49 y diagnosis: anticoagulation |
|
| Interventions | 2nd and 3rd generation | |
| Outcomes | Events during 2nd generation 32 / 76,993; 3rd generation 53 / 92,052. Adjustment for confounding: no |
|
| Notes | UK | |
