First stage: Thinning and opening of the cervix Institut national de santé publique du Québec
By A Mystery Man Writer
Description
Opening of the cervix The first stage of labour is the period when your contractions start to be regular. These contractions allow the cervix to thin (efface) and open completely (dilate), until it is 10 centimetres wide.
![First stage: Thinning and opening of the cervix Institut national de santé publique du Québec](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs00192-018-3752-x/MediaObjects/192_2018_3752_Figd_HTML.png)
IUGA 43rd Annual Meeting – Vienna, Austria, June 27-30, 2018
![First stage: Thinning and opening of the cervix Institut national de santé publique du Québec](https://www.inspq.qc.ca/sites/default/files/mieux-vivre/grossesse/cycle_menstruelAn.jpg)
Before pregnancy Institut national de santé publique du Québec
![First stage: Thinning and opening of the cervix Institut national de santé publique du Québec](https://www.inspq.qc.ca/sites/default/files/mieux-vivre/sante/croissance.jpg)
Baby's growth Institut national de santé publique du Québec
![First stage: Thinning and opening of the cervix Institut national de santé publique du Québec](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs00192-018-3752-x/MediaObjects/192_2018_3752_Figc_HTML.png)
IUGA 43rd Annual Meeting – Vienna, Austria, June 27-30, 2018
![First stage: Thinning and opening of the cervix Institut national de santé publique du Québec](https://www.inspq.qc.ca/sites/default/files/mieux-vivre/grossesse/jumeaux_identiques.jpg)
High-risk pregnancies Institut national de santé publique du Québec
![First stage: Thinning and opening of the cervix Institut national de santé publique du Québec](https://www.inspq.qc.ca/sites/default/files/mieux-vivre/grossesse/appareil_reproducteur_fAn.jpg)
Before pregnancy Institut national de santé publique du Québec
![First stage: Thinning and opening of the cervix Institut national de santé publique du Québec](https://www.inspq.qc.ca/sites/default/files/mieux-vivre/grossesse/section_suivi.jpg)
Prenatal care Institut national de santé publique du Québec
![First stage: Thinning and opening of the cervix Institut national de santé publique du Québec](https://www.inspq.qc.ca/sites/default/files/mieux-vivre/accouchement/siege_auto.jpg)
Your stay at the hospital or birthing centre Institut national de santé publique du Québec
![First stage: Thinning and opening of the cervix Institut national de santé publique du Québec](https://www.merckmanuals.com/-/media/manual/home/images/g/y/n/gyn_stages_labor_b.gif?thn=0&sc_lang=en)
Cervical Insufficiency - Women's Health Issues - Merck Manuals Consumer Version
![First stage: Thinning and opening of the cervix Institut national de santé publique du Québec](https://i.pinimg.com/736x/47/15/5f/47155f62c46c396c0c40eed95906c672.jpg)
Click to enlarge Stages of labor, First stage of labour, Birth education
![First stage: Thinning and opening of the cervix Institut national de santé publique du Québec](https://survivornet.ca/uploads/images/cervix2a.jpg)
Treatment for early cervical cancer - Canadian Cancer Survivor Network
![First stage: Thinning and opening of the cervix Institut national de santé publique du Québec](https://www.inspq.qc.ca/sites/default/files/mieux-vivre/grossesse/embryon_40jours.jpg)
Development of the fetus Institut national de santé publique du Québec
Cervix Dilation
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