No. pregnancies | No. relapses | Rate of relapse/pregnancies/ya | P value* | |
---|---|---|---|---|
2 years before pregnancy | 63 | 84 | 0.36 (0.32–0.41) | – |
Pregnancy | ||||
First trimester | 2 | 2 | 0.07 (0.04–0.15) | < 0.001 |
Second trimester | 3 | 3 | 0.10 (0.03–0.17) | < 0.001 |
Third trimester | 6 | 6 | 0.15 (0.08–0.24) | < 0.001 |
Year after pregnancy | ||||
Months 1–3 | 8 | 8 | 0.27 (0.16–0.39) | 0.037 |
Months 4–6 | 11 | 11 | 0.38 (0.26–0.52) | 0.990 |
Months 7–9 | 10 | 11 | 0.38 (0.26–0.52) | 0.751 |
Months 10–12 | 7 | 7 | 0.24 (0.17–0.38) | 0.023 |