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Table 2 Maternal outcomes by model of care and year of birth

From: Pregnancy outcomes before and after institution of a specialised twins clinic: a retrospective cohort study

 

Model of care

 

ANC

TC

PRIVATE

 

(2007–2010)

(2009–2011)

(2009–2011)

 
 

N = 84

N = 101

N = 101

p valuea

Maternal outcomes

Number (%)

Number (%)

Number (%)

 

Antenatal admission

46 (55)

60 (59)

49 (49)

0.3

Complications of pregnancy

    

Placenta praevia

3 (4)

0 (0)

2 (2)

0.18

Antepartum haemorrhage ≥ 20 weeks

6 (7)

3 (3)

3 (3)

0.28

Hypertensive disorder of pregnancy

11 (13)

13 (13)

13 (13)

1

Gestational diabetes

7 (8)

9 (9)

5 (5)

0.51

Threatened premature labour

18 (21)

14 (14)

6 (6)

0.008

PROM

11 (13)

13 (13)

8 (8)

0.43

Antenatal steroids

27 (32)

23 (23)

47 (47)

0.002

Labour

40 (48)

54 (54)

35 (35)

0.02

Labour induced or augmented

27 (35)

44 (44)

24 (24)

0.01

Mode of birth

    

Caesarean both twins

56 (67)

54 (54)

74 (73)

0.01

Vaginal birth both twinsb

25 (30)

45 (45)

25 (25)

0.008

Caesarean second twin after vaginal birth Twin 1

3 (4)

2 (2)

2 (2)

0.73

Any Caesarean

59 (70)

56 (55)

76 (76)

0.008

Epidural use in labour

23 (56)

37 (69)

26 (74)

 

(Total N = 40)

(Total N = 54)

(Total N = 35)

0.29

PPH 500–999 ml

21 (25)

28 (28)

20 (20)

0.41

PPH ≥ 1000 ml

5 (6)

10 (10)

11 (11)

0.74

Maternal length of stay

    

Total admission length (days), median (IQR)

8.0 (6–12)

7 (6–9)

7 (5–9)

0.001

Total admission length ≥ 7 days, n (%)

58 (69)

52 (52)

64 (63)

0.04

Maternal postnatal stay (days), median (IQR)

5.8 (4.5–7.0)

5.1 (4.6–6.1)

5.7 (4.9–6.8)

0.004

Maternal postnatal stay ≥ 5 days, n (%)

55 (65)

60 (59)

70 (69)

0.33

  1. PROM premature rupture of membranes, PPH Postpartum haemorrhage, IQR Interquartile range
  2. aOverall ANC Vs. TC Vs. private comparison (ANC antenatal clinic, TC twins clinic)
  3. b includes normal vaginal birth, instrumental, vaginal breech