Table 2 Variables included in modeling based on GTT test

Age

Quantitative

20–48 (year)

BMI

Quantitative

17–51 (kg/m2)

History of hypertension

Categorical

Yes

No

History of cardiovascular diseases

Categorical

Yes

No

History of abortion in previous pregnancies

Quantitative

0–4

First trimester FBS

Quantitative

62–110

First trimester HB

Quantitative

10.1–15.7

First trimester Hct

Quantitative

2-45.4

First trimester Cr

Quantitative

0-1.8

First trimester PLT

Quantitative

150-336000

First trimester vit D3

Quantitative

6–60

First trimester NT Sonographic (nt)

Quantitative

1-3.2

First trimester NT Sonographic (crl)

Quantitative

45.2–78