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Accidental pregnancies reported in COVID-19 vaccine trials.
| Vaccine Type | Control/Placebo Group | Vaccine Group | ||||
|---|---|---|---|---|---|---|
| Participants | Pregnancies | Miscarriage (rate) | Participants | Pregnancies | Miscarriage (Rate) | |
| Pfizer/BioNTech | 18,846 | 12 | 1 (8%) | 18,860 | 11 | 0 |
| Moderna | 15,170 | 7 | 1 (14%) | 15,181 | 6 | 0 |
| Janssen | 21,888 | 4 | 1 (25%) | 21,895 | 4 | 1 (25%) + 1 (25%) * |
| AstraZeneca | 5,829 | 9 | 3 (33%) | 5,807 | 12 | 2 (17%) |
* = ectopic pregnancy.
