Maternal age

16 - 35 years

76.7%

(368)

>35 years

22.5%

(108)

<16 years

0.8%

(4)

Parity

I

39.4%

(189)

II - III

54.1%

(260)

IV

6.5%

(31)

Risk factors

Preeclampsia

22.1%

(106)

Diabetes

6.5%

(31)

Thyroid disorder

4.2%

(20)

Previous medical history

2.9%

(14)

Previous miscarriage

8.1%

(39)

Smoker

27.5%

(132)

Two risk factors

19.6%

(94)

Without risk factors

9.1%

(44)

Gestational age on admission (weeks)

≤31

37.5%

(180)

32 - 33

40.6%

(195)

34 - 36

20.4%

(98)

>36

1.5%

(7)

Gestational age at birth (weeks)

<32

7.7%

(37)

32 - 33

12.9%

(62)

34 - 36

32.1%

(154)

≥37

47.3%

(227)

Birth weight (gr)

≥2500

35.6%

(172)

1500 - 2500

62.7%

(300)

1000 - 1500

1.5%

(7)

500 - 1000

0.2%

(1)

Apgar score at first minute

7

0.4%

(2)

8

12.9%

(62)

9 - 10

86.7%

(416)

Apgar score at fifth minute

8

1%

(5)

9 - 10

99%

(475)

Modus of delivery

Vaginal delivery

15.4%

(74)

Assisted vaginal delivery

25.8%

(124)

Caesarian section

58.8%

(282)