| |
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
|
- aMean and 95% confidence intervals
- *Compared with 2 years before pregnancy, generalized estimation equations were used to account for women with multiple pregnancies. Level of significance is set when the P-value < 0.05
