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Table 2 Pregnancy rates and outcomes

From: Effects of the copper intrauterine device versus injectable progestin contraception on pregnancy rates and method discontinuation among women attending termination of pregnancy services in South Africa: a pragmatic randomized controlled trial

 

IUD group (N = 971)

IPC group (N = 992)

RR

95 % CI

P-value (M-H)

 

n

%

n

%

   

Pregnancy (total)

56

5.8

83

8.4

0.69

0.50 to 0.96

0.025

Pregnancy outcome:

Birth

29

3

41

4.1

0.72

0.45 to 1.15

0.17

Miscarriage

3

0.3

3

0.3

   

Termination

2

0.2

2

0.2

   

Ectopic

0

0

1

0.1

   

Ongoing

16

1.6

29

2.9

0.56

0.31 to 1.03

0.059

Unknown

6

0.6

7

0.7

   
  1. IUD intrauterine device, IPC injectable progestin contraception, RR risk ratio, CI confidence interval, M-H mantel-haenszel chi square 2-tail