No | Age (years) | Pre-pregnant BMI (kg/m^2) | Gravida/Parity | Past medical history & complications | Comorbidities | ART/IVF | Risk factors | Immunoantibodies positive | Gestational weeks with DVT | Chief complaints |
1 | 31 | 23.30 | 2/1 | Personal DVT history, scarred uterus (after myomectomy) | Uterine fibroids, mild anemia | Yes | Personal DVT history after surgery | No | 11 | Pain |
2 | 34 | 18.83 | 3/2 | None | Underweight, mild anemia | No | None | No | 7 | Elevated D-dimer |
3 | 32 | 21.45 | 2/2 | Preeclampsia during last pregnancy | APS, thrombocytopenia | No | Preeclampsia history | Yes | 10 | Swelling, pain |
4 | 30 | 17.99 | 2/1 | Placental abruption, scarred uterus (after CS) | SLE, secondary APS | No | Placental abruption history | Yes | 12 | Pain, fever |
5 | 25 | 16.56 | 1/1 | Bilateral tonsillectomy, right breast fibroma resection | Underweight, mild anemia | No | None | No | 10 | Swelling, pain |
6 | 37 | 25.22 | 3/1 | Personal DVT history, scarred uterus (after myomectomy) | Overweight, uterine fibroids (red degeneration) | No | Personal DVT history in the puerperium | / | 10 | Pain |
7 | 30 | 21.78 | 1/1 | Long-term use of contraceptives | None | No | Hormone use History, embryo arrest of one of the twins | / | 9 | Pain |
8 | 27 | 22.77 | 1/1 | None | Thrombophilia | No | Thrombophilia, family DVT history | No | 9 | Swelling, pain |
No | Location of DVT | Treatment Modality | Mode of delivery | Gestational weeks of delivery (weeks) | Outcomes | Labor complications | Antenatal VTE risk score | Postnatal VTE risk score |
1 | Left soleus vein | Thromboprophylaxis with LMWH from onset to 6 weeks postpartum | CS | 38+3 | Full-term live birth | None | 5 | 5 |
2 | Left soleus vein | Thromboprophylaxis with LMWH from onset to 6 weeks postpartum | VD | 31 | Preterm live births, mild neonatal asphyxia | Postpartum hemorrhage, placenta bipartita, placenta abruption | 0 | 1 |
3 | Left common iliac vein, external iliac vein, common femoral vein, superficial femoral vein, deep femoral vein, great saphenous vein | Therapeutic anticoagulation with LMWH from onset to 4 days postpartum, IVC filter implantation before CS, warfarin from the first day after implantation to one year postpartum, IVC filter removal at half a month postpartum | CS | 37+5 | Full-term live birth | None | 2 | 2 |
4 | Left common iliac vein, external iliac vein, superficial femoral vein, deep femoral vein, great saphenous vein, inguinal vein | Therapeutic anticoagulation with LMWH from onset to 2 weeks postpartum, then oral rivaroxaban to half a year postpartum | Medical abortion | 13+3 | Miscarriage | None | 3 | 3 |
5 | Left common femoral vein, deep femoral vein, superficial femoral vein, great saphenous vein, popliteal vein, anterior tibial vein, posterior tibial vein, peroneal vein; right common femoral vein, deep femoral vein, superficial femoral vein, great saphenous vein | Therapeutic anticoagulation with LMWH from onset to 4 months postpartum, IVC filter implantation before CS, IVC filter removal at half and three months postpartum | CS | 38 | Full-term live birth | Oligohydramnios | 1 | 1 |
6 | Left femoral vein, superficial femoral vein, popliteal vein, peroneal vein | Thromboprophylaxis with LMWH from onset to 1 weeks antepartum, change to therapeutic anticoagulation with LMWH due to elevated D-dimer | VD | 28+3 | Preterm live births, severe neonatal asphyxia, very low birth weight infants | Umbilical cord prolapse, foot presentation | 6 | 7 |
7 | Left common femoral vein, deep femoral and superficial femoral veins, popliteal vein, posterior tibial vein, peroneal vein | Therapeutic anticoagulation with LMWH from onset to 9 days postpartum, IVC filter implantation at one week before VD, IVC filter removal at one month postpartum, warfarin from 4 days to half a year postpartum | VD | 39 | Full-term live birth | None | 1 | 1 |
8 | Right peroneal vein | Therapeutic anticoagulation with LMWH from onset to one month later, change to prophylatic dose with LMWH from negative ultrasound result to one day antepartum, refusal to anticoagulation treatment after labor | CS | 39+1 | Full-term live birth | None | 6 | 6 |
DVT: deep vein thrombosis; VTE: venous thromboembolism; BMI: Body Mass Index; ART/IVF: assisted reproductive technology/in vitro fertilization; APS: antiphospholipid antibody syndrome; SLE: systemic lupus erythematosus; IVC: inferior vena cava; CS, cesarean section; VD, vaginal delivery; LMWH, low molecular weight heparin;/, not applicable.