Fern Sign on Leukoformulahttps://www.leukoformula.com/en/tags/simptom-paporotnika/Recent content in Fern Sign on LeukoformulaHugoen-USWed, 17 Sep 2025 10:00:01 +0300Fern Sign: Crystallization Test in Pregnancy Diagnosticshttps://www.leukoformula.com/en/post/simptom-paporotnika-test-kristallizacii-pri-13164/Wed, 17 Sep 2025 10:00:01 +0300https://www.leukoformula.com/en/post/simptom-paporotnika-test-kristallizacii-pri-13164/<p>Microscopic examination of vaginal discharge. Positive crystallization test in a pregnant woman. The test is based on the phenomenon of cervical mucus crystallization (the &ldquo;fern&rdquo; sign). Indirectly confirms leakage of amniotic fluid (as amniotic fluid also crystallizes in a &ldquo;fern-like&rdquo; pattern).</p>