Medically Reviewed By Experts Panel

Summary Read the full fact sheet

  • Vaginal discharge during pregnancy, known as leukorrhea, is common and typically normal. It often begins shortly after conception, around the time a woman misses her period or a few weeks into the first trimester. An increase in vaginal discharge is often one of the earliest signs of pregnancy. 
  • This  is usually a thin, clear, or milky white vaginal discharge, with no unpleasant odour, and may increase as your pregnancy progresses. 
  • The increase in estrogen and progesterone levels triggers this discharge, as hormonal changes boost blood flow to the pelvic area and stimulate the mucous membranes. Leukorrhea helps protect the birth canal by maintaining a healthy balance of bacteria and yeast, preventing infections from reaching the womb.
  • However, changes in colour, odour, or consistency may indicate an infection, such as bacterial vaginosis or yeast infection, or other issues like preterm labor. It’s important for pregnant women to monitor any unusual discharge and consult their doctor if concerned.

Vaginal discharge during pregnancy is a common and normal occurrence, playing an important role in maintaining vaginal health. It typically increases in volume as pregnancy progresses, helping to protect against infections by flushing out bacteria. However, changes in colour, odour, or consistency can signal potential issues that may require medical attention.

What is the importance of vaginal discharge, White Discharge during pregnancy?

Vaginal discharge during pregnancy is vital for maintaining a healthy reproductive environment. It helps cleanse the vaginal area by removing dead cells and bacteria, reducing the risk of infections. As pregnancy progresses, the increased discharge acts as a protective barrier, preventing harmful bacteria from reaching the uterus, where it could pose a risk to the developing baby. Additionally, this discharge helps maintain the natural pH balance, supporting the growth of beneficial bacteria. Overall, thin, white vaginal discharge plays a crucial role in protecting both the mother and the baby, contributing to a healthy pregnancy.

How does vaginal discharge change throughout each trimester of pregnancy?

First Trimester- White Discharge

Many women notice an increase in vaginal discharge early in pregnancy. This is typically thin, white, or milky vaginal discharge, and has a mild odour. The increased discharge is a natural response to elevated estrogen levels and increased blood flow to the vaginal area. It helps maintain vaginal health by preventing infections. While the discharge is generally normal, it should not be accompanied by a strong odour, itching, or irritation. If the discharge becomes yellow, green, or has a foul smell, it is important to consult your doctor.

Second Trimester – White Discharge

In the second trimester of pregnancy, vaginal discharge usually continues to increase.  It usually remains similar to what was observed in the first trimester—thin, white, milky vaginal discharge, and mild-smelling. The discharge may become slightly more noticeable as the pregnancy progresses. The rise in discharge is due to increased estrogen levels and blood flow to the pelvic area, helping to protect the vagina from infections. However, if the discharge changes colour, becomes thick, has a strong odour, or is accompanied by itching or irritation, it could indicate an infection, and medical advice should be sought.

Third Trimester – White Discharge

In the final trimester, as your pregnancy progresses, vaginal discharge often becomes more noticeable and can sometimes be mistaken for urine. This discharge is usually heaviest in the last weeks of pregnancy and may contain pink mucus, which is typically sticky and jelly-like, indicating that your body is getting ready for labor. A significant increase in mucus-like discharge, especially if tinged with blood, may signal the loss of the mucus plug—a sign that your cervix is beginning to dilate and that labor is approaching.

When should you be concerned about your vaginal discharge during pregnancy?

If you notice any significant changes in the colour, consistency, or odour of your discharge, or if it is accompanied by discomfort, it’s important to consult your doctor. A strong smell, unusual colour, or symptoms like pain, soreness, or itching in the vaginal area could be signs of a vaginal infection. These symptoms may indicate conditions such as bacterial vaginosis (bacterial overgrowth in the vagina), a yeast infection, or potentially more serious issues like preterm labor.

The healthy bacteria, Lactobacilli, play a key role in maintaining a balanced vaginal environment, preventing harmful bacteria and yeast from causing infections. If the balance of these bacteria is disrupted and there is an overgrowth of yeast or harmful bacteria, it can lead to abnormal vaginal discharge.

Throughout all trimesters, it’s important to monitor changes and consult a healthcare provider if there are any of the following unusual symptoms or concerns.

Smell – During pregnancy, vaginal discharge typically has a mild odour or no odour at all. If the discharge develops a strong, unpleasant, or fishy smell, it may indicate an infection, such as bacterial vaginosis or a yeast infection caused by bacterial imbalance. These infections can lead to complications if left untreated, so it’s important to monitor any changes. A foul odour, especially when combined with unusual colour, consistency, or symptoms like itching or pain, can be a sign that something is wrong. Consulting a gynecologist is essential for proper diagnosis and treatment to ensure the health of both the mother and baby.

Colour – The colour of vaginal discharge during pregnancy can be a key indicator of potential issues. Normal discharge is usually clear or milky white. If the discharge becomes yellow, green, gray, or brown, it may signal an infection or other concerns. Yellow or green discharge could indicate a bacterial or sexually transmitted infection, while gray discharge often points to bacterial vaginosis. Brown discharge might be old blood, which can be normal, but it could also indicate more serious issues like cervical problems or miscarriage. Any abnormal colour changes should be discussed with a gynecologist provider to ensure proper care.

Consistency – The consistency of vaginal discharge during pregnancy can reveal important clues about potential issues. Normal discharge is typically thin, watery, or slightly thicker and milky. If the discharge becomes unusually thick, clumpy, or cottage cheese-like, it may indicate a yeast infection. On the other hand, a frothy or foamy texture could suggest a trichomoniasis infection, a sexually transmitted disease. Additionally, if the discharge is unusually thin and watery or contains mucus and blood, it might indicate amniotic fluid leakage or preterm labor. Any significant changes in consistency should prompt a consultation with your gynecologist for proper evaluation and care.

Treatment – Bacterial vaginosis or a yeast infection can be treated with antifungal medications, or antibiotic pills and creams.

How to maintain a healthy vaginal discharge? 

To maintain healthy vaginal discharge during pregnancy, practice good hygiene by washing the vaginal area daily with mild, unscented soap and water. Avoid using vaginal sprays or scented products, as these can disrupt the natural balance of bacteria and lead to infections. Wear breathable, cotton underwear and avoid tight clothing to reduce moisture buildup. Change underwear regularly, especially if it becomes damp. If you experience heavy vaginal discharge, change your underwear twice a day. After using the bathroom, always wipe from front to back to prevent bacteria from spreading to the vagina. If you notice any significant changes in your discharge, consult your healthcare provider for appropriate guidance and care.

Add yogurt and other fermented foods to your diet to promote healthy bacteria. Drink plenty of water. 

Read More On
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(1) Missed Period and Hormone-related symptoms
(2) Nausea, Vomiting and Gastrointestinal Symptoms
(3) Distaste & Avoidance of Food, Cravings, heightened Sense of smell Symptoms
(4) 
Spotting and Cramps, back pain, and other related Physical discomfort. 

Red Flags

Here we will make you aware of possible symptoms so that you take them seriously. Always consult a healthcare professional for your unique medical needs, without delay.

Have you experienced any vaginal spotting or Bleeding?

Have You Had Any Cramping Or Abdominal Pain?

Have You Experienced Any Unusual Fatigue Or Weakness?

Have You Had Any Fever Or Other Signs Of Infection?