Table 2: Haemostatic parameters of the pregnant women based on gestational age.

Parameter

1st trimester

2nd trimester

3rd trimester

ANOVA (df)

P-value

Number (%)

( n = 200)

30

(15.0%)

120

(60.0%)

50

(25.0%)

 

 

Platelet count (X109/L)

(Mean ± SD) (Range)

257.0 ± 69.0

125-396

219.8 ± 87.8 90-416

 

249.1 ± 75.0

110-406

3.784

(2)

< 0.05

PT (seconds)

 (Range)

14.1 ± 0.99

12.0-16.0

11.4±3.12

10.0-12.0

10.6 ± 2.20

10.0-11.2

16.760

(2)

< 0.05

INR

1.11 ± 0.10

1.09 ± 0.22

1.07 ± 0.10

0.470

 (2)

> 0.05

PTTK (seconds)

 (Range)

44.10 ± 7.20

43.3-46.1

40.32 ± 6.40

41.3-43.3

39.40 ± 8.10 38.4-44.3

4.603

 (2)

< 0.05

Fibrinogen concentration (g/L)

(Range)

3.4 ± 0.80

 

2.9-4.2

3.7 ± 0.72

 

3.7-5.1

3.6 ± 0.88

 

3.7-4.8

1.850

(2)

< 0.05

PT: Prothrombin time; Secs: Seconds; PTTK: Partial thromboplastin time with kaolin; INR: International normalized ratio

P > 0.05 = Not significant; P < 0.05 = Significant