L'importance de la glaire comme indication de la fertilité donnée par la nature est reconnue depuis le dix-neuvième siècle. La recherche scientifique au cours des 50 dernières années et + a progressivement mis en évidence son rôle vital dans la conception d'une vie nouvelle.

J.B. Brown D.Sc. Ph.D.

Ovulation - the release of an ovum by the ovary - is the most important event of the fertile cycle; it occurs only once at a moment in time during the cycle, even when more than one ovum is released.

"The cervix is a precision organ as complex as the eye."

The cervix lies between the vagina and the isthmus which leads to the body of the uterus. It is 25mm long and contains several hundred crypts (glands) lined by cells which, under hormonal and neural influence, manufacture mucus, which is released into the cervical canal.