<span class="noprint plainlinks"><a class="external text" href="https://commons.wikimedia.org/w/index.php?title=Template:Transformation_zone_types_-_description&amp;action=edit">edit</a></span><br>Squamocolumnar junction types by International Federation for Cervical Pathology and Colposcopy (IFCPC) classification:
<ul><li>Type 1: Completely ectocervical (common under hormonal influence)</li>
<li>Type 2: Endocervical component but fully visible (common before puberty)</li>
<li>Type 3: Endocervical component, not fully visible (common after menopause)</li></ul><p>References:
</p>
<ul><li><a rel="nofollow" class="external text" href="https://www.rcpa.edu.au/Library/Practising-Pathology/Structured-Pathology-Reporting-of-Cancer/Docs/Transformation_zone">Transformation zone (TZ) and cervical excision types</a>. <i><a href="https://en.wikipedia.org/wiki/Royal_College_of_Pathologists_of_Australasia" class="extiw" title="en:Royal College of Pathologists of Australasia">Royal College of Pathologists of Australasia</a></i>.</li>
<li><cite style="font-style:normal"> (2008). "European guidelines for quality assurance in cervical cancer screening: recommendations for clinical management of abnormal cervical cytology, part 1". <i>Cytopathology</i> <b>19</b> (6): 342–354. <a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="w:Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1111/j.1365-2303.2008.00623.x">10.1111/j.1365-2303.2008.00623.x</a>. <a href="https://en.wikipedia.org/wiki/International_Standard_Serial_Number" class="extiw" title="en:International Standard Serial Number">ISSN</a> <a rel="nofollow" class="external text" href="https://www.worldcat.org/issn/09565507">09565507</a>.</cite></li></ul>
<div class="thumb tright"><div class="thumbinner" style="width:137px;"><a href="//commons.wikimedia.org/wiki/File:Mikael_H%C3%A4ggstr%C3%B6m_at_pathology_in_2019_(crop).jpg" class="image"><img src="https://upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Mikael_H%C3%A4ggstr%C3%B6m_at_pathology_in_2019_%28crop%29.jpg/135px-Mikael_H%C3%A4ggstr%C3%B6m_at_pathology_in_2019_%28crop%29.jpg" decoding="async" width="135" height="159" class="thumbimage" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Mikael_H%C3%A4ggstr%C3%B6m_at_pathology_in_2019_%28crop%29.jpg/203px-Mikael_H%C3%A4ggstr%C3%B6m_at_pathology_in_2019_%28crop%29.jpg 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Mikael_H%C3%A4ggstr%C3%B6m_at_pathology_in_2019_%28crop%29.jpg/270px-Mikael_H%C3%A4ggstr%C3%B6m_at_pathology_in_2019_%28crop%29.jpg 2x" data-file-width="1439" data-file-height="1697"></a>  <div class="thumbcaption"><div class="magnify"><a href="//commons.wikimedia.org/wiki/File:Mikael_H%C3%A4ggstr%C3%B6m_at_pathology_in_2019_(crop).jpg" class="internal" title="Enlarge"></a></div><a href="//commons.wikimedia.org/wiki/User:Mikael_H%C3%A4ggstr%C3%B6m" title="User:Mikael Häggström">Mikael Häggström</a>, <a href="https://en.wikipedia.org/wiki/Medical_Doctor" class="extiw" title="en:Medical Doctor">M.D.</a> <a href="//commons.wikimedia.org/wiki/Mikael_H%C3%A4ggstr%C3%B6m" class="mw-redirect" title="Mikael Häggström">Author info</a><br> - <a href="//commons.wikimedia.org/wiki/User:Mikael_H%C3%A4ggstr%C3%B6m#Reusing_images" title="User:Mikael Häggström">Reusing images</a><br>- Conflicts of interest:<br>  None</div></div></div>
<a href="//commons.wikimedia.org/wiki/User:Mikael_H%C3%A4ggstr%C3%B6m" title="User:Mikael Häggström">Mikael Häggström</a>, <a href="https://en.wikipedia.org/wiki/Medical_Doctor" class="extiw" title="en:Medical Doctor">M.D.</a>
2020-01-17
<span class="int-own-work" lang="en">Own work</span>