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29 March 2025

Mucus Ovulation and Pregnancy: Can You Tell If You’re Pregnant from Cervical Mucus?


29 March 2025
Updates

For those who want to conceive naturally, in addition to tracking ovulation days, you can also observe clear mucus that flows from the vagina during ovulation. This is a sign that you are in your fertile window. Having sexual intercourse during this time can increase the chances of pregnancy.

Cervical mucus or ovulation mucus

Cervical mucus, also commonly referred to as "white discharge," is a sticky, viscous fluid typically found in women of reproductive age. In some cases, the mucus may appear in clumps but should be colorless and odorless. Its function is to help sperm travel through the cervix and into the fallopian tubes to fertilize the egg. Therefore, when a woman notices an increase in mucus flow, it indicates that ovulation is likely occurring. Observing cervical mucus is one of the natural signs of ovulation that women can monitor on their own.

Methods of Assessing Infertility

Consult with the doctor, who will assess as follows:

Assessment of infertility in women:

An internal ultrasound to check the uterine lining or any abnormalities in the uterus and ovaries.

Hormonal testing, such as testing for AMH (Anti-Müllerian Hormone), which is produced by small eggs in the ovaries. This hormone is an indicator of ovarian function or the number of eggs left in a woman's ovaries. (AMH testing involves a blood draw to measure the level of AMH, which can indicate how many eggs remain. AMH testing is considered the best method to assess the number of eggs remaining in the ovaries today.)"

Cervical mucus during ovulation is stimulated by the hormone estrogen. As ovulation approaches, estrogen levels rise, causing changes in the cervical mucus produced by the cervix. The appearance and consistency of the mucus will change depending on the hormone levels involved in its production. The changes in mucus are as follows:

  • After menstruation: The mucus will appear dry.

  • Before ovulation: The mucus will resemble cream or lotion, slightly thickened.

  • During ovulation: The mucus will be clear, egg-white-like, slippery, and stretchy, without breaking apart. It will be very moist and help sperm move more easily.

  • After ovulation: The mucus will become thick and sticky.

Cervical mucus changes during ovulation are usually normal, but some signs may require attention. Here are the symptoms of cervical mucus to watch for

Normally, cervical mucus during ovulation is clear, white, and odorless. However, if the mucus has a foul smell or is thick and clumpy, it can be a sign of an underlying issue in the body. Abnormal cervical mucus can be identified by the following colors

  • Gray mucus may be caused by a bacterial infection from sexual intercourse, douching, or prolonged use of antibiotics. It is often accompanied by other symptoms, such as vaginal itching and foul odor.White or yellowish-white thick mucus with a musty odor and itching around the genital area may be a sign of a yeast infection in the vagina, sometimes associated with painful urination.

    Yellow mucus with a fishy smell and itching, along with painful urination, can be caused by bacterial infections, such as gonorrhea or yeast or viral infections.

    Green or greenish-yellow mucus with a foul odor and itching may indicate a bacterial infection in the vagina, often after sexual intercourse.

    Brown or blood-tinged mucus can result from leftover menstrual blood or cervical infections, including bleeding from ovulation.

    Foamy mucus, accompanied by irritation and itching, is a sign of a trichomonas infection, typically contracted through sexual intercourse.

    Pink or light pink mucus can be a sign of an impending menstrual period or the shedding of the uterine lining, which is commonly seen after childbirth.

Here are some common questions people often ask about ovulation mucus

Having ovulation mucus, is there a chance of getting pregnant?

Ovulation mucus indicates that your body is still functioning properly and is in a state suitable for reproduction, but it doesn't guarantee pregnancy 100%. Not having it doesn't necessarily mean something is wrong. The presence of ovulation mucus is just one sign that you are in the ovulation period.

Summary

Ovulation mucus occurs 1-2 days before ovulation, signaling that this is the optimal time for intercourse. However, it cannot confirm the exact day of ovulation or guarantee pregnancy 100%. It is important to consider any abnormalities in the mucus or discharge, such as unusual colors. If the mucus appears abnormal, it should not be ignored, as it could indicate an internal issue. If you notice any irregularities, it is advisable to consult a doctor to identify the cause and plan for further treatment.

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The Biological Clock

This tool indicates:

  • Natural conception per month if you have no fertility issues
  • IVF success rate at the same age
  • When to seek help after months of unsuccessful attempts

If you are concerned at any stage – we recommend booking a doctor appointment or a free nurse consultation. The sooner you make a plan the better your chances in the long term.

When to seek advice early

  • If you have polycystic ovaries, endometriosis, or have been through a cancer diagnosis; we recommend you get in touch quickly so we can talk you through all your options and give you the greatest possible chance of success.
  • If you’re a single woman considering motherhood in the future; it’s best to approach us early and consider egg freezing as this can be an option for you while you have a higher ovarian reserve and healthier eggs.
Set your age and the months you’ve been trying to conceive
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Your chance of having a baby per month for fertile couples
Your chance of having a baby per IVF cycle (if experiencing infertility)

Body Mass Index calculator

Being overweight or underweight can reduce fertility, so it is important to keep your body weight within the normal healthy range.

Body Mass Index (BMI) is an indication of your body weight and can be calculated by dividing weight by height. You should aim for a BMI of between 20 and 25, as this will optimise your chances of conception.

Woman’s BMI below 19

Even in these modern times, nature knows best. If a woman's BMI falls below 19, the body senses famine and ovulation is switched off to prevent the risk of having a baby with malnutrition. Excessive exercise can reduce body fat and increase muscle mass to a point where periods cease for the same reason. Risk of miscarriage is also increased in women with a low BMI.

Being underweight

If a woman's BMI falls below 19, the body senses famine and ovulation is switched off to prevent the risk of having a baby with malnutrition. Excessive exercise can reduce body fat and increase muscle mass to a point where periods cease for the same reason. Risk of miscarriage is also increased in women with a low BMI.

BMI’s greater than 30

This can reduce fertility by 50%. Pregnancy for women with a 30+ BMI is often associated with problems such as maternal diabetes, high blood pressure, big babies and increased risk of caesarean section.

Add your height and weight to calculate your BMI