Table 2. Input and output variables, variable values and membership functions.
| Category | Variable | Variable Value | Actual Range of Variable | Membership Function |
|---|---|---|---|---|
| Input | ||||
| 1.Present Gestation | General condition | Fair | 0 | Guassmf |
| Poor | 1 | Guassmf | ||
| Mental status | Normal | 0 | Guassmf | |
| Abnormal | 1 | Guassmf | ||
| Age | Young | <18 | Guassmf | |
| Normal | 18-35 | Guassmf | ||
| Old | >35 | Guassmf | ||
| Gestational age | Preterm | <37 | Guassmf | |
| Term | 37-42 | Guassmf | ||
| Post-term | >42 | Guassmf | ||
| Vaginal discharge before uterine contractions | No | 0 | Guassmf | |
| Yes | 1 | Guassmf | ||
| Vaginal bleeding | None | 0 | Guassmf | |
| Less than menses | <80ml | Guassmf | ||
| More than menses | ≥80ml | Guassmf | ||
| Endometritis | No | 0 | Guassmf | |
| Yes | 1 | Guassmf | ||
| Uterine status | Good | 0 | Guassmf | |
| Poor | 1 | Guassmf | ||
| Uterine malformations | No | 0 | Guassmf | |
| Yes | 1 | Guassmf | ||
| Uterine fibroids | None | 0 | Guassmf | |
| Small | <5cm | Guassmf | ||
| Big | 5cm | Guassmf | ||
| 2.Past History | Number of abortions | None | 0 | Guassmf |
| At least once | 1-2 times | Guassmf | ||
| More than twice | >2 times | Guassmf | ||
| Number of delivery | None | 0 | Guassmf | |
| Once | 1 | Guassmf | ||
| More than once | >1 | Guassmf | ||
| Previous uterine surgery | None | 0 | Guassmf | |
| Within past 2 years | <2 years | Guassmf | ||
| More than 2 years ago | ≥2 years | Guassmf | ||
| > 5cm fibroid surgery | None | 0 | Guassmf | |
| Within past 2 years | <2 years | Guassmf | ||
| More than 2 years ago | ≥2 years | Guassmf | ||
| Cervical surgery | No | 0 | Guassmf | |
| Yes | 1 | Guassmf | ||
| 3.Pregnancy-related diseases | Anemia | No | ≥11.0mg/dL | Guassmf |
| Mild | 10-10.9mg/dL | Guassmf | ||
| Moderate | 7-10mg/dL | Guassmf | ||
| Severe | <7mg/dL | Guassmf | ||
| Aplastic anemia | No | 0 | Guassmf | |
| Yes | 1 | Guassmf | ||
| Diabetes | No | 0 | Guassmf | |
| Yes | 1 | Guassmf | ||
| Idiopathic Thrombocytopenic Purpura | No | 0 | Guassmf | |
| Yes | 1 | Guassmf | ||
| Leukemia | No | 0 | Guassmf | |
| Yes | 1 | Guassmf | ||
| Kidney disease | No | 0 | Guassmf | |
| Yes | 1 | Guassmf | ||
| Liver disease | No | 0 | Guassmf | |
| Yes | 1 | Guassmf | ||
| 4.Complications of pregnancy | Polyhydramnios | No | 0 | Guassmf |
| Yes | 1 | Guassmf | ||
| Placenta previa | No | 0 | Guassmf | |
| Yes | 1 | Guassmf | ||
| Abruptio Placentae | No | 0 | Guassmf | |
| Yes | 1 | Guassmf | ||
| Number of fetus | Singleton | 1 | Guassmf | |
| Twins | 2 | Guassmf | ||
| Multiple | >2 | Guassmf | ||
| Fetal position | Occiput | 0 | Guassmf | |
| Breech/Transverse | 1 | Guassmf | ||
| Macrosomia | No | 0 | Guassmf | |
| Yes | 1 | Guassmf | ||
| Fetal hydrocephalus | No | 0 | Guassmf | |
| Yes | 1 | Guassmf | ||
| Fetal tumor | No | 0 | Guassmf | |
| Yes | 1 | Guassmf | ||
| Pregnancy-induced hypertension | No | <140/90mmHg | Guassmf | |
| Mild | 140/90-160/110mmHg | Guassmf | ||
| Severe | ≥160/110mmHg | Guassmf | ||
| 5.Factors related to delivery | First stage of labor | Normal | 0 | Guassmf |
| Prolonged/Arrested | 1 | Guassmf | ||
| Second stage of labor | Normal | 0 | Guassmf | |
| Prolonged/Arrested | 1 | Guassmf | ||
| Thirds stage of labor | Normal | 0 | Guassmf | |
| Prolonged | 1 | Guassmf | ||
| Dystocia | None | 0 | Guassmf | |
| Strong/uncoordinated/weak | 1 | Guassmf | ||
| Method of delivery | Vaginal | 0 | Guassmf | |
| Cesarean | 1 | Guassmf | ||
| Use of tocolytics | No | 0 | Guassmf | |
| Yes | 1 | Guassmf | ||
| Use of anesthetics before delivery | No | 0 | Guassmf | |
| Epidural/Intravenous | 1 | Guassmf | ||
| Operative delivery | No | 0 | Guassmf | |
| Vacuum/Forceps | 1 | Guassmf | ||
| Cervical laceration | No | 0 | Guassmf | |
| Yes | 1 | Guassmf | ||
| Perineal laceration | No | 0 | Guassmf | |
| Yes | 1 | Guassmf | ||
| Uterine rupture | No | 0 | Guassmf | |
| Yes | 1 | Guassmf | ||
| Residual placenta | No | 0 | Guassmf | |
| Yes | 1 | Guassmf | ||
| Placenta accreta | No | 0 | Guassmf | |
| Yes | 1 | Guassmf | ||
| Succenturiate placenta | No | 0 | Guassmf | |
| Yes | 1 | Guassmf | ||
| Output | ||||
| Risk of PPH | Low | 0-20 | Guassmf | |
| Moderate | 20-25 | Guassmf | ||
| High | 25-33 | Guassmf | ||
| Extremely | >33 | Guassmf | ||