Microscopy of cervical mucus: fern sign and arborization phenomenon in endocervical cytological smears with Papanicolaou staining.
The fern sign (also known as the arborization phenomenon of cervical mucus) is a condition of cervical mucus based on its ability to form crystals upon drying, creating a pattern resembling a fern leaf. It is characteristic of the ovulatory period. Endocervical preparations. Papanicolaou stain. Photos 1-3 - magnification ×40 Photos 4,5 - magnification ×10
🙏 Images kindly provided by Clinical Laboratory Diagnostics Physician, Irina Selivanova LLC “Citilab-Ural”, Yekaterinburg
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