Thrombophilia and Pregnancy Complications

Louise E Simcox, Laura Ormesher, Clare Tower, Ian A Greer

Research output: Contribution to journalArticlepeer-review

54 Citations (Scopus)
172 Downloads (Pure)

Abstract

There is a paucity of strong evidence associated with adverse pregnancy outcomes and thrombophilia in pregnancy. These problems include both early (recurrent miscarriage) and late placental vascular-mediated problems (fetal loss, pre-eclampsia, placental abruption and intra-uterine growth restriction). Due to poor quality case-control and cohort study designs, there is often an increase in the relative risk of these complications associated with thrombophilia, particularly recurrent early pregnancy loss, late fetal loss and pre-eclampsia, but the absolute risk remains very small. It appears that low-molecular weight heparin has other benefits on the placental vascular system besides its anticoagulant properties. Its use is in the context of antiphospholipid syndrome and recurrent pregnancy loss and also in women with implantation failure to improve live birth rates. There is currently no role for low-molecular weight heparin to prevent late placental-mediated complications in patients with inherited thrombophilia and this may be due to small patient numbers in the studies involved in summarising the evidence. There is potential for low-molecular weight heparin to improve pregnancy outcomes in women with prior severe vascular complications of pregnancy such as early-onset intra-uterine growth restriction and pre-eclampsia but further high quality randomised controlled trials are required to answer this question.
Original languageEnglish
Pages (from-to)28418-28428
JournalInternational journal of molecular sciences
Volume16
Issue number12
DOIs
Publication statusPublished - 30 Nov 2015

Keywords

  • Anticoagulants
  • Disease Management
  • Embryo Implantation
  • Female
  • Fertilization in Vitro
  • Gestational Age
  • Heparin, Low-Molecular-Weight
  • Humans
  • Pregnancy
  • Pregnancy Complications
  • Pregnancy Outcome
  • Thrombophilia
  • Journal Article
  • Review

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