Did the NICE guideline for progesterone treatment of threatened miscarriage get it right?

In November 2021, NICE updated its clinical guideline that covers the management of threatened miscarriage in the first trimester. They recommended offering vaginal micronised progesterone twice daily until 16 completed weeks of pregnancy in those with a previous miscarriage. However, the duration o...

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Main Author: W Colin Duncan
Format: Article
Language:English
Published: Bioscientifica 2022-04-01
Series:Reproduction and Fertility
Subjects:
Online Access:https://raf.bioscientifica.com/view/journals/raf/3/2/RAF-21-0122.xml
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author W Colin Duncan
author_facet W Colin Duncan
author_sort W Colin Duncan
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description In November 2021, NICE updated its clinical guideline that covers the management of threatened miscarriage in the first trimester. They recommended offering vaginal micronised progesterone twice daily until 16 completed weeks of pregnancy in those with a previous miscarriage. However, the duration of treatment is not evidence based. In the major clinical trial that informed the guideline, there was no benefit in starting progesterone after 9 weeks and the full effect of progesterone was present at 12 weeks of pregnancy. There are theoretical risks impacting offspring health in later life after maternal pharmaceutical progesterone treatment. As the effect of progesterone seems to be complete by 12 weeks of gestation, we should consider carefully whether to follow the guidance and treat up to 16 weeks of pregnancy.
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spelling doaj.art-8a7301bcc02d463fbf6d1647ab65dd612022-12-22T01:10:39ZengBioscientificaReproduction and Fertility2633-83862022-04-0132C4C6https://doi.org/10.1530/RAF-21-0122Did the NICE guideline for progesterone treatment of threatened miscarriage get it right?W Colin Duncan0MRC Centre for Reproductive Health, The University of Edinburgh, Queen’s Medical Research Institute, Edinburgh, UKIn November 2021, NICE updated its clinical guideline that covers the management of threatened miscarriage in the first trimester. They recommended offering vaginal micronised progesterone twice daily until 16 completed weeks of pregnancy in those with a previous miscarriage. However, the duration of treatment is not evidence based. In the major clinical trial that informed the guideline, there was no benefit in starting progesterone after 9 weeks and the full effect of progesterone was present at 12 weeks of pregnancy. There are theoretical risks impacting offspring health in later life after maternal pharmaceutical progesterone treatment. As the effect of progesterone seems to be complete by 12 weeks of gestation, we should consider carefully whether to follow the guidance and treat up to 16 weeks of pregnancy.https://raf.bioscientifica.com/view/journals/raf/3/2/RAF-21-0122.xmlluteal supportgestationpessarybleedingpregnancy
spellingShingle W Colin Duncan
Did the NICE guideline for progesterone treatment of threatened miscarriage get it right?
Reproduction and Fertility
luteal support
gestation
pessary
bleeding
pregnancy
title Did the NICE guideline for progesterone treatment of threatened miscarriage get it right?
title_full Did the NICE guideline for progesterone treatment of threatened miscarriage get it right?
title_fullStr Did the NICE guideline for progesterone treatment of threatened miscarriage get it right?
title_full_unstemmed Did the NICE guideline for progesterone treatment of threatened miscarriage get it right?
title_short Did the NICE guideline for progesterone treatment of threatened miscarriage get it right?
title_sort did the nice guideline for progesterone treatment of threatened miscarriage get it right
topic luteal support
gestation
pessary
bleeding
pregnancy
url https://raf.bioscientifica.com/view/journals/raf/3/2/RAF-21-0122.xml
work_keys_str_mv AT wcolinduncan didtheniceguidelineforprogesteronetreatmentofthreatenedmiscarriagegetitright