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Table 3 Details of MC utilisation

From: The use of a menstrual cup as a risk factor for displacement of intrauterine devices: a case-control study

Median (IQR) or N (%)

MC use sample

(N = 136)

Adequate IUD position

(N = 117)

Non-adequate IUD position

(N = 19)

Crude OR [95CI]

Estimated number of menstrual cycles with MC use

8.5 (2–19)

9 (2-21.5)

3 (1.5–15.5)

0.96 [0.91–1.01]

NA

14

14

0

 

Estimated number of MC withdrawals since IUD insertion

49 (11.2-160.5)

50 (15–156)

32 (1-180)

1.00 [1.00–1.00]

NA

62

56

6

 

Type of MC:

    

 With stem

115 (84%)

99 (85%)

16 (84%)

ref

  Without stem

16(12%)

13 (11%)

3 (16%)

1.43 [0.30–5.06]

 Unkown

5 (4%)

5 (4%)

0 (0%)

-

Break of the MC suction before removal

115 (85%)

99 (85%)

16 (84%)

0.97 [0.29–4.47]

MC as main menstrual protection

94 (72%)

78 (70%)

16 (84%)

2.26 [0.69–10.16]

NA

6

6

0

 

MC exposition score

35 (6.5–76.5)

35 (7–75)

15 (7-67.5)

0.99 [0.98-1.00]

NA

14

14

0

 
  1. MC: menstrual cup; IUD: Intrauterine device