Study characteristics
| Reference . | Year . | Design . | No. of patients . | No. of pregnancies . | VTE . | VTE details . |
|---|---|---|---|---|---|---|
| 14 | 1991 | Retrospective cohort | 6 | 9 | 1 | Antepartum: SVT |
| 15 | 1991 | Retrospective cohort | 8 | 10 | 3 | Postpartum: 1 DVT, 2 PVT |
| 16 | 1994 | Retrospective cohort | 6 | 6 | 0 | — |
| 17 | 1994 | Retrospective cohort | 4 | 7 | 0 | — |
| 18 | 1995 | Retrospective cohort | 4 | 6 | 1 | Postpartum: SVT |
| 19 | 1996 | Retrospective cohort | 10 | 13 | 0 | — |
| 20 | 1996 | Retrospective cohort | 9 | 15 | 1 | Antepartum: PVT/SMV |
| 21 | 2000 | Retrospective cohort | 9 | 17 | 0 | — |
| 22 | 2000 | Retrospective cohort | 12 | 30 | 1 | Antepartum: PE |
| 6 | 2004 | Retrospective cohort | 16 | 40 | 0 | — |
| 7 | 2008 | Retrospective cohort | 36 | 63 | 0 | — |
| 4 | 2009 | Registry | 92 | 122 | 5 | Antepartum: 5 DVT |
| 23 | 2010 | Retrospective cohort | 5 | 5 | 0 | — |
| 24 | 2011 | Retrospective cohort | 13 | 15 | 0 | — |
| 25 | 2011 | Retrospective cohort | 13 | 18 | 0 | — |
| 26 | 2012 | Retrospective cohort | 6 | 15 | 0 | — |
| 27 | 2014 | Retrospective cohort | 158 | 237 | 2 | Postpartum: 1 Budd Chiari, 1 CVT |
| 28 | 2014 | Retrospective cohort | 4 | 9 | 1 | Postpartum: 1 CVT/PE |
| 29 | 2015 | Prospective cohort | 47 | 47 | 0 | — |
| 30 | 2015 | Retrospective cohort | 38 | 62 | 1 | Postpartum: CVT |
| 31 | 2016 | Retrospective cohort | 8 | 10 | 0 | — |
| Reference . | Year . | Design . | No. of patients . | No. of pregnancies . | VTE . | VTE details . |
|---|---|---|---|---|---|---|
| 14 | 1991 | Retrospective cohort | 6 | 9 | 1 | Antepartum: SVT |
| 15 | 1991 | Retrospective cohort | 8 | 10 | 3 | Postpartum: 1 DVT, 2 PVT |
| 16 | 1994 | Retrospective cohort | 6 | 6 | 0 | — |
| 17 | 1994 | Retrospective cohort | 4 | 7 | 0 | — |
| 18 | 1995 | Retrospective cohort | 4 | 6 | 1 | Postpartum: SVT |
| 19 | 1996 | Retrospective cohort | 10 | 13 | 0 | — |
| 20 | 1996 | Retrospective cohort | 9 | 15 | 1 | Antepartum: PVT/SMV |
| 21 | 2000 | Retrospective cohort | 9 | 17 | 0 | — |
| 22 | 2000 | Retrospective cohort | 12 | 30 | 1 | Antepartum: PE |
| 6 | 2004 | Retrospective cohort | 16 | 40 | 0 | — |
| 7 | 2008 | Retrospective cohort | 36 | 63 | 0 | — |
| 4 | 2009 | Registry | 92 | 122 | 5 | Antepartum: 5 DVT |
| 23 | 2010 | Retrospective cohort | 5 | 5 | 0 | — |
| 24 | 2011 | Retrospective cohort | 13 | 15 | 0 | — |
| 25 | 2011 | Retrospective cohort | 13 | 18 | 0 | — |
| 26 | 2012 | Retrospective cohort | 6 | 15 | 0 | — |
| 27 | 2014 | Retrospective cohort | 158 | 237 | 2 | Postpartum: 1 Budd Chiari, 1 CVT |
| 28 | 2014 | Retrospective cohort | 4 | 9 | 1 | Postpartum: 1 CVT/PE |
| 29 | 2015 | Prospective cohort | 47 | 47 | 0 | — |
| 30 | 2015 | Retrospective cohort | 38 | 62 | 1 | Postpartum: CVT |
| 31 | 2016 | Retrospective cohort | 8 | 10 | 0 | — |
CVT, cerebral vein thrombosis; PVT, portal vein thrombosis; SMV, superior mesenteric vein thrombosis; SVT, superficial vein thrombosis.