Socioeconomic Level

0.000

Low

251

47.36

279

52.64

530

Average

116

47.74

127

52.26

243

High

8

12.90

54

87.10

62

Spontaneous Miscarriage

0.001

Yes

50

29.41

120

70.59

170

No

119

44.74

147

55.26

266