1. National Institute for Health and Care Excellence. Hypertension in pregnancy: diagnosis and management (NICE guideline NG133). 2019. https://www.nice.org.uk/guidance/ng133.
2. National Institute for Health and Care Excellence. PlGF-based testing to help diagnose suspected pre-eclampsia (Triage PlGF test, Elecsys immunoassay sFlt-1/PlGF ratio, DELFIA Xpress PlGF 1-2-3 test, and BRAHMS sFlt-1 Kryptor/BRAHMS PlGF plus Kryptor PE ratio) (diagnostics guidance DG23). 2016. https://www.nice.org.uk/guidance/dg23.
3. National Institute for Health and Care Excellence. Hypertension in adults: diagnosis and management (clinical guideline CG127). Updated 2016. https://www.nice.org.uk/guidance/cg127.
4. National Institute for Health and Care Excellence. Antenatal care for uncomplicated pregnancies (clinical guideline CG62). Updated 2019. https://www.nice.org.uk/guidance/cg62.
5. National Institute for Health and Care Excellence. Preterm labour and birth (NICE guideline NG25). Updated 2019. https://www.nice.org.uk/guidance/ng25.