Cervix uteri and seven or eight related things = http://biozhena.wordpress.com/2012/02/07/1751/
Here is how our method (monitoring folliculogenesis in vivo) does it by generating the multi-featured cyclic profile that includes the definitive ovulation marker after the predictive signals. And how this compares with the older techniques. See how inaccurate is the ovulation assessment by the older methods.