Surgical history

Yes

35

43.2

26

32.1

20

24.7

81

100

0.161

No

190

46.1

156

37.9

66

16

412

100

Medication history

Yes

30

46.9

25

39.1

9

14.1

64

100

0.741

No

195

45.5

157

36.6

77

17.9

429

100

Family history

Nil

204

47.9

153

35.9

69

16.2

426

100

0.079

Mother

2

25

3

37.5

3

37.5

8

100

Sister

3

37.5

4

50

1

12.5

8

100

Grandmother

4

28.6

9

64.3

1

7.1

14

100

Aunt

11

36.7

9

30

10

33.3

30

100

Others

1

14.3

4

57.1

2

28.6

7

100

Age at marriage

(years)

Less than 20 year

20

60.6

10

30.3

3

9.1

33

100

0.027*

From 21 to 30

73

48

45

29.6

34

22.4

152

100

From 31 to 40

6

33.3

7

38.9

5

27.8

18

100

More than 40

0

0

0

0

1

100

1

100

Single

126

43.6

120

41.5

43

14.9

289

100

Parity

Nulliparous

27

52.9

17

33.3

7

13.7

51

100

0.043*

Multiparous

72

47.1

45

29.4

36

23.5

153

100

Single

126

43.6

120

41.5

43

14.9

289

100

Age at menarche

(years)

Less than 12

45

54.9

25

30.5

12

14.6

82

100

0.053

From 12 to 14

107

39.5

109

40.2

55

20.3

271

100

More than 14

40

47.1

31

36.5

14

16.5

85

100

Unknown

33

60

17

30.9

5

9.1

55

100