The Billings Method is a natural method of birth control. Looking at the structure of the cervical mucus the girl determines whether she is close to ovulation. During this period she abstains from intercourse.
The amount and structure of the mucus changes during the menstrual cycle.
Just after a girl’s period there’s not much mucus. The vagina is dry. Mucus keeps the sperm cells from entering, as you can see on the right drawing. Several days before ovulation the mucus changes. The vagina feels moist and the mucus looks cloudy, like eggwhite. When this happens you know you have to abstain from intercourse.
Once you know what you are looking for you keep a daily chart of the colour and texture of the mucus. To use this method well you need detailed instructions.

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