Fig 1.
Flowchart of women included with their first birth in Scotland between 1997 and 2010.
Fig 2.
Third- or fourth-degree tears in first and second vaginal births over time in Scotland 1997–2015.
Table 1.
First pregnancy characteristics for women according to their exposure status.
Table 2.
Univariate comparison of demographic and pregnancy characteristics for women who had second pregnancies.
Table 3.
Crude and adjusted Odds Ratios (99% CI) for second pregnancy outcomes for women with and without an initial third- or fourth-degree tear.
Table 4.
Demographic and pregnancy characteristics for all women with an initial third- or fourth-degree tear who had a second vaginal birth (nested case-control study).