fern-leaf crystallization
crystallization of cervical mucus in a fernlike pattern, observable during the first half of the menstrual cycle and said to be most conspicuous at the time of ovulation.

Medical dictionary. 2011.

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  • ferning — A term used to describe the pattern of arborization produced by cervical mucus, secreted at midcycle, upon crystallization, which resembles somewhat a fern or a palm leaf. * * * n. a test to determine if the amniotic membrane surrounding the… …   Medical dictionary

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