| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Previous pregnancies 8 | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Quintuplet pregnancy | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Eleven previous induced terminations of pregnancy | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Fundal dominance of uterine contraction | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 3 | 
| Parity nine | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Failed attempted abortion with salpingitis | Occurrence | True | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 3 | 
| Gestation period, 2 weeks | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Miscarriage with pulmonary embolism | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 4 | 
| Previous pregnancies 10 | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Spontaneous placental expulsion, Duncan mechanism | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Unplanned pregnancy | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Term birth of fraternal twins, both stillborn | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 1 | 
| Rigid pelvic floor affecting pregnancy | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 3 | 
| Eight previous induced terminations of pregnancy | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Placenta spuria | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 3 | 
| Miscarriage with parametritis | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 4 | 
| Shock during AND/OR following labor AND/OR delivery | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 3 | 
| Halban's sign | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Gestation period, 35 weeks | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Cephalic version | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Premature birth of fraternal twins, both stillborn | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 1 | 
| Spontaneous onset of labor | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 1 | 
| Failed mechanical induction | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Trial labor | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 1 | 
| Failed attempted abortion without complication | Occurrence | True | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Linea nigra | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Gestation period, 28 weeks | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Superfetation | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Failure of induction of labor by oxytocic drugs | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Benign neoplasm of placenta | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 3 | 
| Maternal drug exposure | Occurrence | True | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Maternal drug use | Occurrence | True | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Necrosis of placenta | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 3 | 
| Good neonatal condition at birth | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 4 | 
| Well male newborn | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 4 | 
| Well female newborn | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 4 | 
| Well premature newborn | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 4 | 
| Well premature male newborn | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 4 | 
| Well premature female newborn | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 4 | 
| Pregnancy on oral contraceptive | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Surrogate pregnancy | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Multigravida | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Nulliparous | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Post-term delivery | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 1 | 
| Abnormal placental secretion of chorionic gonadotropin | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 3 | 
| Increased placental secretion of chorionic gonadotropin | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 1 | 
| Decreased placental secretion of chorionic gonadotropin | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 1 | 
| Absence of placental secretion of chorionic gonadotropin | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 3 | 
| Increased amniotic fluid production | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 4 | 
| Decreased amniotic fluid production | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 4 | 
| Contraception failure | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Postpartum headache | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Gestation period, 11 weeks | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Postpartum state, 9 weeks | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 1 | 
| Healed pelvic floor repair affecting pregnancy | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 3 | 
| Failed attempted abortion with perforation of uterus | Occurrence | True | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Term birth of newborn twins | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 1 | 
| Miscarriage with defibrination syndrome | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 4 | 
| Failed attempted abortion with pelvic peritonitis | Occurrence | True | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 4 | 
| Placental polyp | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 3 | 
| Marginal insertion of umbilical cord | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 4 | 
| Morning sickness | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 3 | 
| Fetal myelomeningocele causing disproportion | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 5 | 
| Term birth of newborn sextuplets | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 1 | 
| Robert's sign | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Term birth of stillborn twins | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 1 | 
| Failed attempted abortion with postoperative shock | Occurrence | True | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 4 | 
| Miscarriage with intravascular hemolysis | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 4 | 
| Prolonged labor | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Therapeutic abortion | Occurrence | True | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Gravida 0 | Occurrence | True | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Irregular uterine contractions | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 3 | 
| Oligohydramnios without rupture of membranes | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 3 | 
| Gestation period, 19 weeks | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Uterine souffle | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 3 | 
| Premature birth of stillborn twins | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 1 | 
| Labor established | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 1 | 
| Premature birth of multiple newborns | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 1 | 
| Obstruction caused by position of fetus at onset of labor | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 3 | 
| Meconium in amniotic fluid affecting management of mother | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Impacted twins | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 1 | 
| Term birth of newborn male | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 1 | 
| Term birth of newborn | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 1 | 
| Failed attempted abortion with oliguria | Occurrence | True | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 5 | 
| Double uterus affecting pregnancy | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 3 | 
| Miscarriage with afibrinogenemia | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 4 | 
| Face presentation of fetus | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 1 | 
| Delayed delivery of second of multiple births | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Excessive fetal growth affecting management of mother | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Postpartum state, 8 weeks | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 1 | 
| Tumor of cervix affecting pregnancy | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 3 | 
| Term birth of fraternal twins, one living, one stillborn | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 1 | 
| Spalding-Horner sign | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Previous pregnancies 2 | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Stenosis AND/OR stricture of cervix affecting pregnancy | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 3 | 
| Parity ten or more | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Cervical dilatation, 5cm | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 3 | 
| Crepitus uteri | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Gestation period, 20 weeks | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 2 | 
| Uterine incoordination, first degree | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 3 | 
| Cervical dilatation, 3cm | Occurrence | False | Maternal pregnancy period | Inferred relationship | Existential restriction modifier | 3 |