Sensation is very important and often the most difficult to learn. Throughout the day the presence or absence of mucus will be recognised by the sensation at the vulva (the vaginal lips), the way the beginning of a period is noticed. The sensation may be a distinct feeling of dryness, of dampness or moistness, stickiness, wetness, slipperiness or lubrication.
Soft white toilet tissue should be used to blot or wipe the vulva. There may be dampness only on the tissue resulting from vaginal moistness. This moistness soaks into the tissue and any cervical mucus will appear raised as a blob on the tissue. The colour should be noted. It may be white, creamy, opaque, or transparent (clear).
Mucus is often noticed on underclothing, where it will have dried slightly causing some alteration in its characteristics.
A finger-tip can be lightly applied to the mucus on the tissue and then pulled gently away to test its capacity to stretch. It may feel sticky and break easily, or it may feel smoother and slippery like raw egg white and stretch between the thumb and first finger, from a little up to several inches before it breaks. This stretchiness is described as the Spinnbarkeit or Spinn effect, and shows that the mucus is highly fertile.
Holds its shape
Highly Fertile Mucus
(like raw egg white)
Following the menstrual period there may be several dry days.
These days may be absent in short cycles and numerous in long cycles.
A feeling of dryness or a positive sensation of nothingness at the vulva will be experienced. There will be no visible mucus.
The fertile phase
As the oestrogen levels rise, cervical mucus will be felt at the vulva.
At first it will give a sensation of moistness or stickiness and will appear in scant amounts - white or creamy-coloured.
On finger testing the mucus will hold its shape and break easily.
It may be slightly stretchy on finger testing producing a wetter sensation at the vulva.
It will give a sensation of lubrication or slipperiness at the vulva.
The appearance will be similar to that of raw egg white, thin, watery and transparent.
On finger-testing this highly fertile mucus may stretch for several inches before it breaks.
In fertile mucus, sperm may live for up to three days, in rare circumstances for five days or even longer.
Peak day denotes the LAST day on which this highly fertile-type slippery, transparent, stretchy mucus is either seen or felt.
Post-ovulatory completely infertile phase
During the post-ovulatory phase, following peak day the slippery sensation is lost and there will be a relatively abrupt return to stickiness or dryness again.
This subjective symptom reflects the presence of progesterone, which thickens the mucus again forming a plug at the cervix acting as an impenetrable barrier to sperm.
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