NICE VTE in Pregnancy: No Dedicated Guideline Exists (General Summary)
Correction Note
NG211 is "Rehabilitation after traumatic injury" (published 18 January 2022) — it has no connection to venous thromboembolism or pregnancy. This file previously mislabelled it and has been corrected. There is no single, standalone NICE guideline titled or dedicated to "venous thromboembolism in pregnancy." This is confirmed directly from NICE's own guidance pages, not inferred.
What NICE Actually Covers
NICE's VTE guidance is split across two adult-focused guidelines, neither of which is pregnancy-specific:
- NG89 — "Venous thromboembolism in over 16s: reducing the risk of hospital-acquired deep vein thrombosis or pulmonary embolism" (2018, updated 2019). This includes pregnant and postpartum women only as a subgroup of hospital inpatients — it triggers VTE/bleeding risk assessment "on admission to hospital or a midwife-led unit" for women who are pregnant, or who gave birth, miscarried, or had a termination in the preceding 6 weeks, with reassessment within 6 hours of birth/pregnancy loss. Crucially, NG89 explicitly defers to the Royal College of Obstetricians and Gynaecologists' risk assessment tool rather than providing its own pregnancy-specific scoring system. It recommends LMWH where bleeding risk does not outweigh VTE risk, combined with mechanical prophylaxis (intermittent pneumatic compression, or anti-embolism stockings if IPC is contraindicated) for immobilised patients.
- NG158 — "Venous thromboembolic diseases: diagnosis, management and thrombophilia testing" (2020, updated 2023). This guideline explicitly excludes pregnant women from its scope, stating it does not cover diagnosis or treatment of VTE in pregnancy.
In other words, NICE does not publish antenatal risk-stratification thresholds, gestation-specific prophylaxis dosing, or treatment protocols for confirmed DVT/PE in pregnancy. For every clinically examinable detail on this topic, NICE itself routes clinicians to RCOG.
Primary Source for MRCOG: RCOG Green-top Guidelines 37a and 37b
The authoritative, exam-relevant source for this topic is already present in this corpus:
gtg-37a-thromboprophylaxis.md— antenatal and postnatal risk assessment (pre-existing, obstetric, and transient risk factors), LMWH dosing by weight, and timing around regional anaesthesia and delivery.gtg-37b-thrombosis-and-embolism-in-pregnancy-acute-management.md— diagnosis and treatment of confirmed VTE in pregnancy, including imaging choice (compression duplex ultrasound for suspected DVT; CTPA or V/Q scan for suspected PE) and therapeutic anticoagulation.
Candidates should treat RCOG 37a/37b, not NICE, as the primary reference for VTE risk assessment and management in pregnancy. NICE's contribution is limited to the administrative trigger (assess on hospital admission) in NG89, and it points back to the RCOG tool rather than substituting for it.
High-Yield Exam Points
- There is no single dedicated NICE guideline on VTE in pregnancy — NG211 is unrelated (traumatic injury rehabilitation); do not cite it for this topic.
- NG158 (general VTE diagnosis/management) explicitly excludes pregnant women.
- NG89 (hospital-acquired VTE) touches pregnancy only via an admission-triggered risk assessment, and explicitly directs clinicians to use the RCOG risk assessment tool, not a NICE-authored score.
- For risk factors, LMWH dosing thresholds, and diagnosis/treatment of confirmed VTE in pregnancy, the examinable source is RCOG Green-top 37a and 37b, not NICE.
- Do not attribute pregnancy-specific VTE risk-scoring thresholds (e.g. "3 vs 4 risk factors") to NICE — these originate from RCOG.
Source: National Institute for Health and Care Excellence (NICE) — primary source for pregnancy-specific content is actually **RCOG Green-top Guideline No. 37a** (thromboprophylaxis) and **No. 37b** (acute management of confirmed VTE) (NG89 (the only NICE guideline with pregnancy-relevant content) last updated 13 August 2019; originally published 21 March 2018)
Read the original on nice.org.uk
MRCOG AI is an independent educational tool. It is not affiliated with, endorsed by, or connected to the Royal College of Obstetricians and Gynaecologists (RCOG).