Body mass index (kg/m2)

Admissibility criteria

Delay between insertion and complication (months)

Type of complication

Symptoms

Case 1

28

Class 1

No delay

Nerve damage

Pains

Case 2

32

Class 1

No delay

Skin necrosis

Wound

Case 3

35

Class 2

24

Failure

Pregnancy

Case 4

33

Class 1

37

Intolerance

Anxiety

Case 5

32

Class 1

48

Menstrual cycle disorders

Amenorrhea

Case 6

19

Class 1

36

Difficult removal

No

Case 7

23

Class 1

18

Infection

Pustule

Case 8

25

Class 1

60

Spontaneous expulsion

No

Case 9

25

Class 1

2

Deep insertion

No