Table 5 Unadjusted and adjusted Odds Ratios (OR) and corresponding 95 % confidence intervals (CI) for delivery related complications for women treated with donated oocytes compared to women who conceived spontaneously (Control group A), reported by cause for oocyte donation

Hypertensive disorders

4.13(1.30–13.05)*

3.13 (0.94–10.48)

3.49(1.12–10.92)*

3.42 (0.99–11.87)

Induction of labour^c

2.53 (0.93–6.93)**

2.59 (0.88–7.65)

4.11(1.66–10.22)**

3.33 (1.25–8.82)*

Cesarean section

2.79 (1.21–6.46)*

2.35 (0.98–5.62)

4.08 (1.82–9.15)**

3.03 (1.28–7.15)*

Post-partum hemorrhage

3.42 (0.90–13.03)

7.04 (1.45–34.16)*^d

2.93 (0.78–11.07)

5.97(1.11–32.15)*^d

Uterine inertia^c

0.36 (0.08–1.64)

0.42 (0.09–2.07)

1.01 (0.37–2.78)

0.93 (0.30–2.84)