Cervical mucus has following properties except:
High oestrogen levels at midcycle make cervical mucus thick
Estrogen primed cervical mucus filters out non-sperm components of semen
Midcycle mucus creates a reservoir for sperm
Elevated oestrogen levels near ovulation increases sodium chloride concentration
High oestrogen levels at midcycle make cervical mucus thin and stretchy responsible for ferning pattern.