Table 1 Demographics of patients with gestational trophoblastic disease history (GTD group) or not (control group) before and after matching

Age (year) ^a

31.9 ± 4.1

31.2 ± 4.4

0.297

31.8 ± 3.7

31.2 ± 4.4

0.432

Infertility duration

(year) ^a

3.2 ± 2.6

2.5 ± 2.2

0.047

3.3 ± 2.5

2.5 ± 2.2

0.056

Number of IVF/ICSI cycles ^b

1.0 (0.0–17.0)

1.0 (1.0–3.0)

0.166

1.0 (0.0–7.0)

1.0 (1.0–5.0)

0.106

BMI (kg/m²) ^a

23.1 ± 3.2

23.4 ± 3.2

0.520

22.8 ± 3.3

23.4 ± 3.2

0.259