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| | Cervical Print and Cervical Mapping |
 | | Over the years cervical mucus has been extracted in different ways, with glass tubes, plastic tubes, various types of forceps and swabs, etc. It was observed that large cotton swabs sucked considerable amounts of the liquid phase of mucus, including the electrolytes like NaCl which are major constituents of the crystals. |
 | | Using a cotton coil of 6 mm length on a wooden stick, 2 mm in diameter, gave a print 6 mm by 6 mm in size. |
 | | Various types of cotton swabs are shown A, regular swab; B, miniswab; C, cotton ring swab; D, spiral sewing cotton swab; E, how material removed with a cotton ring swab is deposited on a slide (similar with a spiral swab). |
| www.woomb.org /omrrca/bulletin/vol23/no2/mapping.shtml (1675 words) |
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