Human saliva displaying ferning, light micrograph (LM). During the fertile phase of a women's menstrual cycle an oestrogen surge causes salt crystals to appear in the saliva. When viewed under a microscope the crystalline salt structure resembles fern leaves and can be used as an indication of a woman's increased chances of conceiving with ovulation commonly occurring within 24-48 hours of strong salivary ferning presence. Magnification: x240 when printed at 10cm wide
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Details
Creative#:
TOP24703953
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
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N/A
Property Release:
N/A
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No
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