1. 
   Semen Viscosity
   The thickness of the semen after ejaculation. Ideally, semen should liquefy approximately 30 minutes after ejaculation. When semen remains thick, conception is unlikely.
   Found op http://www.pregnology.com/AZ/S/2
   
   
2. 
   Semen Viscosity
   The liquid flow or consistency of the semen.
   Found op http://www.thebridgecentre.co.uk/04_causesofinfertility/glossary_of_terms.h
   
   

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