Achieving Pregnancy with the Fertility Experts : The Billings Ovulation Method - page 8

Learn to Recognise the Signs of Beginning Fertility
The fertile phase of the cycle begins when the ovaries start to produce oestrogen
as the egg develops. This hormone stimulates the cervix to produce different kinds
of mucus. A change in the sensation and appearance of the mucus at the vulva is
nature’s way of letting you know that you are now potentially fertile.
One of the types of mucus produced by the cervix dissolves the mucus plug. This
means that sperm can now enter the uterus. Another type of mucus acts as a filter,
destroying unsuitable sperm cells. Yet another type of mucus forms channels which
help the sperm travel through your reproductive system to meet and fertilise the egg.
This mucus also protects and nourishes the sperm, helping them to live up to 5 days.
As the ovaries produce increasing amounts of oestrogen you will notice a changing
pattern of mucus and a difference in the sensation the mucus produces. The mucus
becomes progressively wetter and then slippery. You may notice the mucus becomes
thinner and clearer. But even if you don’t see any mucus, the sensation of slipperiness
means that you are fertile.
Changing Pattern of Fertility
The fertile phase begins on average about 6 days before ovulation.
But even if it only lasts a day, recognising the change in sensation
and appearance of the mucus can give you the knowledge to help
maximise your chances of conceiving.
Changing Pattern of Fertility
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