Hostile Mucus

Cervical mucus that prohibits the natural progress of sperm through the cervical canal. Hostile mucus is abnormally thick and sperm are not able to penetrate which does not allow for conception.
Found on http://www.pregnology.com/AZ/H/3

Hostile Mucus

Cervical mucus that impedes the natural progress of sperm through the cervical canal.
Found on http://www.thebridgecentre.co.uk/04_causesofinfertility/glossary_of_terms.h
No exact match found