Publication bias assessed by Egger's linear regression test.

Supplemental figure 1: Publication bias assessed by Egger’s linear regression test.

Supplemental figure 2: Publication bias assessed by Begg’s rank correlation test.

Supplemental figure 3: Forest plot for disease-free survival analysis (Result was calculated by fixed effect models).

Supplemental Table 1 Disease-free survival found in the studies

Study

RR (95%

CI)

Disease-free survival rate

Follow-up (months)

RR estimation method

Pregnancy group

Nonpregnancy group

Kranick

(15)

1.0 (0.80–

2.00)

76% 78% 180 Cox model

Azim ⁽²²⁾

0.84 (0.66–

1.06)

58% 44% 120 Survival curve