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Table 5 Adverse events reported during 4-month follow-up by system organ class

From: Observational, prospective, multicentre study to evaluate the effects of counselling on the choice of combined hormonal contraceptives in Italy—the ECOS (Educational COunselling effectS) study

System organ class/preferred term

Pill

Patch

Ring

(n = 1199)

(n = 131)

(n = 397)

n (%)

Events

n (%)

Events

n (%)

Events

n

n

n

All

28 (2.3)

30

4 (3.1)

5

7 (1.8)

10

Cardiac disorders

0

0

0

0

1 (0.3)

1

Gastrointestinal disorders

2 (0.2)

2

0

0

1 (0.3)

1

Infections/infestations

0

0

0

0

1 (0.3)

1

Investigations

4 (0.3)

4

0

0

0

0

Metabolism and nutrition disorders

1 (0.1)

1

0

0

0

0

Nervous system disorders

9 (0.8)

9

1 (0.8)

1

2 (0.5)

3

Psychiatric disorders

1 (0.1)

1

0

0

1 (0.3)

1

Reproductive system and breast disorders

12 (1.0)

13

4 (3.1)

4

3 (0.8)

3