Fig 1.
PRISMA flow diagram of study selection.
Fig 2.
Bias risk assessment of included studies.
Table 1.
Information of included studies.
Fig 3.
Forest plot of the overall intervention effect of aerobic exercise on PPD symptoms.
Fig 4.
Forest plot of the comparison of the effect of team exercise vs. individual exercise on PPD symptoms.
Fig 5.
Forest plot of the comparison of the effect of supervised exercise vs. unsupervised exercise on PPD symptoms.
Fig 6.
Forest plot of the comparison of the effect of prevention vs. treatment on PPD symptoms.
Fig 7.
Network plot and SUCRA represent the effect of different training contents on improving PPD symptoms.
Table 2.
The effect of different aerobic exercise type on improving PPD symptoms [MD (95% CL)].
Fig 8.
Network plots and surface under cumulative ranking curves (SUCRA) represent the effect of different prescribed exercise frequency on improving PPD symptoms.
Table 3.
The effect of different prescribed exercise frequency on improving PPD symptoms [MD (95% CL)].
Fig 9.
Network plots and surface under cumulative ranking curves (SUCRA) represent the effect of different prescribed exercise intensity-duration combinations on improving PPD symptoms.
Table 4.
The effect of different prescribed exercise intensity-duration on improving PPD symptoms [MD (95%CL)].
Fig 10.
Sensitivity analysis influence plot of the included studies.
Fig 11.
Funnel plot of publication bias of included studies.
NOTE: The number of dots represents the number of included studies, and its more symmetrical distribution indicates no publication bias, but the description of the symmetry of the distribution is somewhat subjective.
Table 5.
Egger test for publication bias of included studies.