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Table 3 Information and knowledge about menstruation of in-school adolescent girls in Gimbi town, western Ethiopia, 2022 (n = 378)

From: Menstrual hygiene management practice and its associated factors among in-school adolescent girls in Western Ethiopia

Characteristics of respondent

Categories

Frequency

Percentage

Age at menarche

< 12 Years

31

8.2

13–15 Years

319

84.8

16–19 Years

12

3.2

Don’t Know

16

4.2

Heard about menstruation before menarche

Yes

303

80.2

No

75

19.8

Discuss about menstrual hygiene issues with parents

Yes

182

48.1

No

196

51.9

Discuss about menstrual hygiene issues with friends

Yes

333

88.1

No

45

11.9

Know sanitary pad in the markets

Yes

352

93.1

No

26

6.9

Cause of menstruation

Hormone

211

55.8

Pathological

23

6.1

Curse of God

48

12.7

Don’t Know

96

25.4

Source of menstrual blood

Uterus

240

63.5

vagina

26

6.9

Bladder

21

5.6

Abdomen

18

4.8

Don’t know

73

19.3

Length of the normal menstrual bleeding

< 2 Day

66

17.5

2–7 Days

219

57.9

> 7 Days

41

10.8

Don’t Know

52

13.8

Normal duration of the menstrual cycle

< 20 Days

78

20.6

20–35 Days

217

57.4

> 35 Days

19

5.0

Don’t Know

64

16.9

Know that there is foul-smelling

Yes

255

67.5

No

123

32.5

Know that menstrual blood is unhygienic

Yes

216

57.1

No

162

42.9

Know that Pain during menstruation means that someone is not sick

Yes

261

69.0

No

117

31.0

Know that Menstruation is not a lifelong process

Yes

362

95.8

No

16

4.2

Learned about menstruation in school

Yes

232

61.4

No

146

38.6

Overall knowledge about menstruation

Good

245

64.8

Poor

133

35.2