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Age
int64
SystolicBP
int64
DiastolicBP
int64
BS
float64
BodyTemp
float64
HeartRate
int64
RiskLevel
string
Haemoglobin
float64
GestationalAge
int64
Parity
int64
Oedema
int64
PreviousComplications
int64
DistanceToHospital
float64
WeightGain
float64
25
130
80
15
98
86
high risk
9.7
42
0
1
1
11.8
3.7
35
140
90
13
98
70
high risk
8.6
37
2
1
1
26.5
4.8
29
90
70
8
100
80
high risk
10
30
1
1
0
32.2
5.4
30
140
85
7
98
70
high risk
11.5
31
3
1
0
47.5
2.7
35
120
60
6.1
98
76
low risk
11.2
26
2
0
0
5.5
0
23
140
80
7.01
98
70
high risk
8.4
38
3
1
0
17.5
3.8
23
130
70
7.01
98
78
mid risk
12.6
36
2
1
1
26.5
2.9
35
85
60
11
102
86
high risk
10.2
30
2
1
0
29.4
4.2
32
120
90
6.9
98
70
mid risk
9.5
32
0
1
0
27.7
2.1
42
130
80
18
98
70
high risk
9.8
42
3
0
0
29.3
4
23
90
60
7.01
98
76
low risk
10.9
38
1
0
1
2.2
2.7
19
120
80
7
98
70
mid risk
9.5
35
1
0
0
1.7
3
25
110
89
7.01
98
77
low risk
11.8
28
1
0
0
1
1.2
20
120
75
7.01
100
70
mid risk
7.3
33
0
1
0
21.6
1.9
48
120
80
11
98
88
mid risk
7.6
36
2
0
0
26.9
2.3
15
120
80
7.01
98
70
low risk
10.8
22
0
0
0
17.2
2.8
50
140
90
15
98
90
high risk
7
33
3
1
1
37.6
3.5
25
140
100
7.01
98
80
high risk
9.4
22
1
0
1
42.4
3.8
30
120
80
6.9
101
76
mid risk
8.8
35
0
1
1
9.2
1.9
10
70
50
6.9
98
70
low risk
9.8
32
1
0
0
2.2
2.4
40
140
100
18
98
90
high risk
11.4
31
0
0
1
37.8
6.7
50
140
80
6.7
98
70
mid risk
9.9
42
1
0
1
19.2
3
21
90
65
7.5
98
76
low risk
11.6
21
2
0
0
8.5
1.6
18
90
60
7.5
98
70
low risk
9.8
19
0
0
0
9.9
1.5
21
120
80
7.5
98
76
low risk
10.8
29
2
0
0
9.6
0
16
100
70
7.2
98
80
low risk
11.6
34
0
0
0
14.4
2.1
19
120
75
7.2
98
66
low risk
10.1
38
0
0
1
14.5
1.6
22
100
65
7.2
98
70
low risk
12
25
2
0
0
10.7
1.8
49
120
90
7.2
98
77
low risk
10.8
34
1
0
0
12.2
0.9
28
90
60
7.2
98
82
low risk
11.1
28
0
0
0
10.6
1.2
20
100
90
7.1
98
88
low risk
10.8
27
1
0
0
5.7
1.2
23
100
85
7.1
98
66
low risk
13.7
33
1
0
0
11.8
2.3
22
120
90
7.1
98
82
low risk
11.5
32
2
0
0
1
1.2
21
120
80
7.1
98
77
low risk
10.2
19
1
0
0
13.3
3.2
21
75
50
6.1
98
70
low risk
12.5
37
2
0
0
2
1.8
12
95
60
6.1
102
60
low risk
10
36
2
0
0
9.4
0.5
60
120
80
6.1
98
75
low risk
11.8
24
1
1
0
3.8
1.4
55
100
65
6.1
98
66
low risk
9.1
30
3
0
0
10.8
1
45
120
95
6.1
98
66
low risk
9.9
31
1
0
0
7.8
0
35
100
70
6.1
98
66
low risk
11.7
30
3
0
0
1
2.8
22
120
85
6.1
98
88
low risk
12.4
25
0
0
0
10.1
2.1
23
120
90
6.1
98
60
low risk
11.7
24
2
1
0
5.1
1.9
25
90
70
6.1
98
80
low risk
11.4
28
1
0
0
12.4
1.6
30
120
80
6.1
98
70
low risk
11.1
35
1
0
0
8
0.4
23
120
90
6.1
98
70
low risk
9.7
31
1
0
0
10
1.1
32
120
90
7.5
98
70
low risk
10.6
26
2
0
0
3.2
2.2
42
120
80
7.5
98
70
low risk
10.9
33
0
0
0
5.1
0.7
23
90
60
7.5
98
76
low risk
12.8
11
0
0
0
5.7
0
15
76
49
7.5
98
77
low risk
11.9
35
2
0
0
12.3
1.3
15
120
80
7
98
70
low risk
9.4
18
2
1
0
16.4
1.4
25
120
80
7
98
66
low risk
11.9
26
3
0
0
4
1.6
22
100
65
7
98
80
low risk
11
21
2
0
0
13.4
2.1
35
100
70
7
98
60
low risk
10.7
20
3
0
0
1
2
19
120
85
7
98
60
low risk
12.2
35
2
0
0
2
1.7
60
90
65
7
98
77
low risk
12.7
25
1
0
0
3.2
2.5
23
120
90
6.7
98
70
low risk
12.6
30
0
0
0
1.2
0.3
32
120
90
6.4
98
70
low risk
10.5
28
2
0
0
1
1.9
42
120
80
6.4
98
70
low risk
11.1
31
1
0
0
10.1
2
23
90
60
6.4
98
76
low risk
11.9
28
0
0
0
6.9
0.5
15
76
49
6.4
98
77
low risk
12.7
20
1
1
0
9.9
0.3
15
120
80
7.2
98
70
low risk
10.9
34
3
0
0
11.5
0.9
15
80
60
7
98
80
low risk
11.3
25
1
0
0
9.3
1
12
95
60
7.2
98
77
low risk
10.2
19
1
0
0
11.3
2.1
29
90
70
6.7
98
80
mid risk
8.4
29
1
0
1
14.3
1.8
31
120
60
6.1
98
76
mid risk
11.4
42
1
0
0
3.1
1.5
29
130
70
6.7
98
78
mid risk
12.2
38
1
0
0
25.6
1.8
17
85
60
9
102
86
mid risk
10.1
30
1
1
0
9.1
3.8
19
120
80
7
98
70
mid risk
11.7
30
0
0
0
5.6
2.5
20
110
60
7
100
70
mid risk
10.7
30
2
0
1
13.2
2.3
32
120
65
6
101
76
mid risk
9.2
42
1
0
0
5.9
2.4
26
85
60
6
101
86
mid risk
10.7
35
2
0
1
10.8
4.1
29
130
70
7.7
98
78
mid risk
12.5
35
3
0
0
18.4
1.6
19
120
80
7
98
70
mid risk
10.1
39
1
1
0
18.5
4.1
54
130
70
12
98
67
mid risk
12.5
34
2
0
0
6
2.8
44
120
90
16
98
80
mid risk
6.3
30
1
0
0
10.1
2.3
23
130
70
6.9
98
70
mid risk
11.4
31
3
0
1
25.7
5.5
22
85
60
6.9
98
76
mid risk
10.3
31
1
0
0
20
1.2
55
120
90
12
98
70
mid risk
9.8
32
2
0
0
35.8
2.1
35
120
80
6.9
98
78
mid risk
10.3
37
2
1
0
26.8
1
21
90
60
6.9
98
86
mid risk
7.2
32
1
0
0
26.4
3.6
16
90
65
6.9
98
76
mid risk
9.9
37
0
1
0
1.1
4.5
33
115
65
7
98
70
mid risk
10.7
31
2
0
1
22.6
4.5
12
95
60
6.9
98
65
mid risk
12.4
33
2
1
0
14.5
4
28
120
90
6.9
98
70
mid risk
9.4
18
1
0
0
9.5
2.3
21
90
65
6.9
98
76
mid risk
9
38
2
1
0
16.7
2.1
18
90
60
6.9
98
70
mid risk
9.4
34
1
0
1
24.5
0.5
21
120
80
6.9
98
76
mid risk
11.6
39
2
1
0
20
4.9
16
100
70
6.9
98
80
mid risk
10.7
12
0
0
0
6.2
3.1
19
120
75
6.9
98
66
mid risk
9.4
42
3
0
0
22.4
1.9
23
100
85
6.9
98
66
mid risk
11
31
1
0
0
8.6
4.1
22
120
90
7.8
98
82
mid risk
10.3
40
1
1
0
17.2
1.3
60
120
85
15
98
60
mid risk
11.7
25
0
0
0
12
3
13
90
65
7.8
101
80
mid risk
9.1
36
0
1
1
12.8
2.3
23
120
90
7.8
98
60
mid risk
9.7
25
1
0
0
22.7
3.3
28
115
60
7.8
101
86
mid risk
9.6
28
1
0
1
4.6
2.4
50
120
80
7.8
98
70
mid risk
8
42
2
0
0
34.5
0.8
29
130
70
7.8
98
78
mid risk
10.6
31
0
1
0
1
2.6
19
120
80
7
98
70
mid risk
10.6
34
1
1
0
9
3.8
19
120
85
7.8
98
60
mid risk
10.2
38
1
1
0
18.7
2.5
60
90
65
6.8
98
77
mid risk
9.8
35
0
0
1
20.8
3.4
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Check out the documentation for more information.

📊 Dataset

  • Source: UCI Maternal Health Risk Dataset
  • Size: 1,014 records
  • Labels: low risk / mid risk / high risk
  • Collection: IoT devices in rural clinics, Bangladesh
  • Missing values: Zero

Original Dataset Features (6)

Feature Clinical Significance
Age Teen mothers (<19) and older mothers (>35) are high risk
Systolic BP ≥140 mmHg = pre-eclampsia threshold
Diastolic BP ≥90 mmHg = hypertension in pregnancy
Blood Sugar Gestational diabetes indicator
Body Temperature Infection and fever detection
Heart Rate Cardiovascular stress indicator

Engineered ASHA Features (7)

Feature Clinical Significance How Added
Haemoglobin (g/dL) <7 = severe anaemia — kills Domain-guided synthetic
Gestational Age (weeks) Context for all other readings Domain-guided synthetic
Parity 4+ pregnancies = high risk Domain-guided synthetic
Oedema Key pre-eclampsia signal Domain-guided synthetic
Previous Complications C-section, miscarriage, stillbirth Domain-guided synthetic
Distance to Hospital (km) Changes urgency of referral Domain-guided synthetic
Weight Gain (kg/month) >3 kg = pre-eclampsia signal Domain-guided synthetic

The domain-guided synthetic feature engineering is itself a technical contribution — features are generated using clinical probability distributions validated against medical literature.

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