| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Postnatal data | Is a | True | Pregnancy observable | Inferred relationship | Existential restriction modifier |  | 
| Position of pregnancy | Is a | True | Pregnancy observable | Inferred relationship | Existential restriction modifier |  | 
| Pattern of pregnancy | Is a | True | Pregnancy observable | Inferred relationship | Existential restriction modifier |  | 
| Measure of pregnancy | Is a | True | Pregnancy observable | Inferred relationship | Existential restriction modifier |  | 
| Viability of pregnancy | Is a | True | Pregnancy observable | Inferred relationship | Existential restriction modifier |  | 
| Prenatal health behavior | Is a | True | Pregnancy observable | Inferred relationship | Existential restriction modifier |  | 
| Reason for termination of pregnancy | Is a | True | Pregnancy observable | Inferred relationship | Existential restriction modifier |  | 
| Postpartum health behavior | Is a | True | Pregnancy observable | Inferred relationship | Existential restriction modifier |  | 
| London Measure of Unplanned Pregnancy score | Is a | True | Pregnancy observable | Inferred relationship | Existential restriction modifier |  | 
| Illegal abortion with acute renal failure | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 6 | 
| Prolonged first stage of labor | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Drug dependence in mother complicating pregnancy, childbirth AND/OR puerperium | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Parturient hemorrhage associated with hyperfibrinolysis | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 3 | 
| Failed attempted abortion with perforation of bowel | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 2 | 
| Failed attempted abortion with defibrination syndrome | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 2 | 
| Legal abortion without complication | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Failed attempted abortion with electrolyte imbalance | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Miscarriage with complication | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Illegal abortion with postoperative shock | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 4 | 
| Ectopic pregnancy | Interprets | True | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Hypertonic uterine dysfunction | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 2 | 
| Illegal abortion with cerebral anoxia | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 4 | 
| Illegal abortion with laceration of uterus | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Congenital abnormality of uterus, affecting pregnancy | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 2 | 
| Gestation period, 21 weeks | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Third trimester pregnancy | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Legal abortion with laceration of broad ligament | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 6 | 
| Amniotic fluid abnormal | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 3 | 
| Para 4 | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Failed induction of labor | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Chromosomal abnormality in fetus affecting obstetrical care | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Failed attempted abortion with septic embolism | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 2 | 
| Miscarriage complicated by embolism | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 2 | 
| Acquired stenosis of vagina affecting pregnancy | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 2 | 
| Fetal souffle | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 3 | 
| Gestation period, 37 weeks | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary uterine inertia | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 2 | 
| Congenital stenosis of vagina affecting pregnancy | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 2 | 
| Sextuplet pregnancy | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Illegal abortion with air embolism | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 3 | 
| Seven previous induced terminations of pregnancy | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Gestation period, 4 weeks | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| No previous induced termination of pregnancy | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Failed attempted abortion with parametritis | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 2 | 
| Maternal obesity syndrome | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 2 | 
| Rhesus isoimmunization affecting pregnancy | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 2 | 
| Failed attempted abortion with intravascular hemolysis | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 3 | 
| Illegal abortion with electrolyte imbalance | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 2 | 
| Illegal abortion with perforation of vagina | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 4 | 
| Legal abortion with septic shock | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 4 | 
| Disproportion between fetus and pelvis | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 3 | 
| Legal abortion with pelvic peritonitis | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 3 | 
| Uterine inertia | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 2 | 
| Ectopic placenta | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 2 | 
| Para 7 | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Failed attempted termination of pregnancy complicated by delayed and/or excessive hemorrhage | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 2 | 
| Gestation period, 8 weeks | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Illegal abortion complicated by embolism | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 3 | 
| Rectocele affecting pregnancy | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 3 | 
| Para 6 | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Legal abortion with amniotic fluid embolism | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 4 | 
| Failed attempted abortion with afibrinogenemia | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 3 | 
| Hyperemesis gravidarum before end of 22 week gestation with carbohydrate depletion | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 3 | 
| Legal abortion complicated by shock | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 3 | 
| Fertilization in vivo | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Multiparous | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Two previous induced terminations of pregnancy | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Low maternal weight gain | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Trapped placenta | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 2 | 
| Failed attempted abortion complicated by renal failure | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Illegal abortion with laceration of broad ligament | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 6 | 
| Halo sign | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 2 | 
| Legal abortion with septic embolism | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 3 | 
| Illegal abortion with fat embolism | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 3 | 
| Gestation period, 29 weeks | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Extrachorial pregnancy | Interprets | True | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Rigid perineum affecting pregnancy | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 3 | 
| Bearing down reflex | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Gestation period, 40 weeks | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Failed attempted abortion with perforation of periurethral tissue | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 4 | 
| Gestation period, 27 weeks | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Failed attempted abortion with perforation of cervix | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 4 | 
| High risk pregnancy | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Miscarriage with postoperative shock | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Para 2 | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Legal abortion with complication | Interprets | True | Pregnancy observable | Inferred relationship | Existential restriction modifier | 2 | 
| Miscarriage in third trimester | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Gestation period, 26 weeks | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Miscarriage with cardiac arrest and/or cardiac failure | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Postpartum coagulation defect with hemorrhage | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 3 | 
| Slow slope active phase of labor | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 2 | 
| Stricture of vagina affecting pregnancy | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 2 | 
| Failed attempted abortion | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Illegally induced abortion | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Auscultatory sign | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Para 3 | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Legal abortion with parametritis | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 3 | 
| Previous pregnancy 1 | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Gestation period, 16 weeks | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 | 
| Miscarriage with perforation of uterus | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 3 | 
| Multiple pregnancy | Interprets | False | Pregnancy observable | Inferred relationship | Existential restriction modifier | 1 |