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egg white cervical mucus

(Photo credit: Wikipedia – Fertile Cervical Mucus)

Monitoring changes in your cervical mucus is one of the ways you can figure out when you will be ovulating. Throughout your cycle, hormonal fluctuations alter the amount and consistency of your cervical secretions. During times of peak fertility (ovulation), the fertile cervical mucus becomes transparent, slippery, and more elastic in nature. This texture is most often compared to egg whites in quality and appearance. By collecting samples of cervical mucus, a woman can determine if she is approaching a fertile time in her cycle and plan accordingly.

How to Collect Cervical Mucus Samples

There are several ways to collect samples, but it is important to remember to wash your hands thoroughly prior to attempting any of them so that you can prevent unwanted spread of bacteria or other harmful germs.

Listed below are the most common ways to obtain a sample of the cervical mucus:

1. Inserting a finger into the vagina and sweeping around the entrance to gather an adequate amount of secretions.

2. Wiping the vaginal entrance with toilet/tissue paper and analyzing the discharge collected.

3. Inserting a finger or cotton swab into the vagina and sweeping along the cervix itself (or as near as you can get) to obtain a specimen directly. This is the most accurate method of collecting mucus samples.  The sample is less likely to be confused with moisture.

Monitoring changes in the cervical mucus is desirable as it is the only method in fertility planning that does not require you to review previous cycles for comparison. When performed correctly, it is also a reliable indication of the optimal time for conception when the egg white fertile cervical mucus is present. It requires no special training or tools.   After you collect the cervical mucus, place it between the thumb and index finger and stretched apart to examine the texture. This finger stretch test can be very helpful in determining the timing of your ovulation and thus increasing your chances of becoming pregnant.

Cervical Mucus Changes Through Your Cycle

Below are descriptions of the quality of the cervical mucus during different phases of the menstrual cycle. This can assist you in finding out what part of your cycle you are entering.

1. Before Ovulation (lower chance of getting pregnant)

In the first days following your period, you will notice very little discharge and the vulva area can be dry. During this phase, the possibility of pregnancy is low.





2. Approaching Ovulation (increased chance of getting pregnant)

At this stage, the discharge is moist or sticky and white/cream colored. When performing the finger stretch test, the mucus will break apart easily after a little distance (less than 1 cm). As this phase progresses, you will notice an increase in volume, that the color becomes more opaque, and that you are able to stretch the fingers farther apart before it breaks.

3. During Ovulation (highest chance of getting pregnant)

This is the stage in which the cervical mucus resembles egg whites. It will be at its thinnest, clearest, and most copious during this time. The sample will stretch several centimeters with the finger test before breaking apart, if it does so at all. The volume will continue to increase until it reaches a point called the ‘mucus peak’. At this point, ovulation is most likely occurring and chances of conception are highest. Additionally, the survival rate of sperm is highest at this time than at any other time of the cycle (up to 72 hours), which greatly increases the chances of fertilization.

4. After Ovulation (decreasing probability of getting pregnant)

During this phase, the cervical mucus returns to its previous, tacky consistency (breaks apart easier), the volume decreases, and the dryness returns to the vulvar area.

 

Considerations When Cervical Mucus Charting

The consistency of semen (the fluid carrying the sperm) can be confused with cervical secretions.  If you have had sex recently, you should probably not be trying to evaluate our cervical mucus for fertility signs.  It would be too easy to incorrectly interpret the consistency of your cervical mucus at this time.  Vaginal infections, certain medications, and birth control methods and should be taken into consideration during your examination of discharge.   These things typically can change the consistency and color of your cervical mucus.  Advanced reproductive age (over 35), irregular menstrual cycle, hormonal imbalances, or recent surgical procedures on or near the cervix can affect the quality of your cervical mucus too.  Choosing an alternate method of determining when you are ovulating would be a good idea.

If you are interested in learning more about charting cervical mucus to determine ovulation, you may download any one of our free cervical mucus charts.

Cervical Mucus Chart

If you find that you are not able to determine the time of ovulation using this method, there are alternative ways that can be used to assist you in your fertility planning. These include charting basal body temperature or using commercially available ovulation tests.