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Serial HCG calculator

For management of pregnancy of unknown location

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Reference

Ectopic pregnancy and miscarriage: diagnosis and management NICE guideline, 2012

Background

In cases of pregnancy of unknown location, NICE recommends measurement of serum HCG on two occasions 48 hours apart. A rise in HCG of 63% or greater is likely to be associated with a developing intrauterine pregnancy (although this does not exclude ectopic pregnancy), and a fall of at least 50% is likely to be associated with a failing pregnancy.

Last updated

28/06/2018

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