Ambulatory human chorionic gonadotrophin (hCG) testing: a verification of two hCG point of care devices

ISUOG Consensus Statement on rationalization of early‐pregnancy care and provision of ultrasonography in context of SARS‐CoV‐2

(2020) T. Bourne et al.   ULTRASOUND IN OBSTETRICS & GYNECOLOGY

External validation of models to predict the outcome of pregnancies of unknown location: a multicentre cohort study

(2020) E Christodoulou et al.   BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY

Triaging women with a pregnancy of unknown location using a two‐step triage protocol including the M6 model: a clinical implementation study

(2019) Shabnam Bobdiwala et al.   ULTRASOUND IN OBSTETRICS & GYNECOLOGY

Ectopic pregnancy and miscarriage: diagnosis and initial management: summary of updated NICE guidance

(2019) Katie Webster et al.   BMJ-British Medical Journal

Diagnostic protocols for the management of pregnancy of unknown location: a systematic review and meta-analysis

(2018) S Bobdiwala et al.   BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY

The clinical performance of the M4 decision support model to triage women with a pregnancy of unknown location as at low or high risk of complications

(2016) S. Bobdiwala et al.   HUMAN REPRODUCTION

Managing pregnancy of unknown location based on initial serum progesterone and serial serum hCG levels: development and validation of a two-step triage protocol

(2016) B. Van Calster et al.   ULTRASOUND IN OBSTETRICS & GYNECOLOGY

Analytical performance evaluation of the i-STAT Total β-human chorionic gonadotropin immunoassay

(2015) Aleksandra M. Sowder et al.   CLINICA CHIMICA ACTA

Hook effect in Abbott i-STAT β-human chorionic gonadotropin (β-hCG) point of care assay

(2014) Urs Wilgen et al.   CLINICAL BIOCHEMISTRY

Rationalizing the management of pregnancies of unknown location: temporal and external validation of a risk prediction model on 1962 pregnancies

(2013) B. Van Calster et al.   HUMAN REPRODUCTION

Biological functions of hCG and hCG-related molecules

(2010) Laurence A Cole   Reproductive Biology and Endocrinology