Understanding Leucorrhoea Causes

Leucorrhoea, commonly known as vaginal discharge, is a condition that many women experience at some point in their lives. While it is a natural and essential function of the female reproductive system, abnormal or excessive discharge can be indicative of an underlying issue. In this comprehensive article, we will explore the various causes of leucorrhoea, shedding light on both physiological and pathological factors that contribute to this condition.

Normal Physiological Causes:


Leucorrhoea often increases during ovulation, a normal phase in the menstrual cycle. This discharge is usually clear and stretchy, signaling fertile days for conception.


Hormonal changes during pregnancy can lead to an increase in vaginal discharge. This discharge is generally odorless and helps maintain a healthy environment for the developing fetus.

Sexual Arousal:

Sexual arousal stimulates the production of cervical mucus, contributing to a clear and slippery discharge. This is a natural response to prepare the body for intercourse.

Pathological Causes:


Bacterial, fungal, or parasitic infections in the reproductive organs can result in abnormal leucorrhoea. Common culprits include Candida (yeast infection) and bacterial vaginosis.

Sexually Transmitted Infections (STIs):

STIs such as gonorrhea, chlamydia, and trichomoniasis can cause changes in vaginal discharge. These infections often accompany other symptoms like itching, burning, or pain during urination.

Hormonal Imbalances:

Fluctuations in hormonal levels, such as those seen in conditions like polycystic ovary syndrome (PCOS) or thyroid disorders, can disrupt the normal balance of vaginal flora and lead to leucorrhoea.

Poor Hygiene:

Inadequate personal hygiene practices can create an environment conducive to bacterial growth, leading to infections and abnormal discharge.

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Allergic Reactions:

Some women may be sensitive or allergic to certain soaps, detergents, or materials used in underwear, leading to irritation and increased vaginal discharge.

Lifestyle Factors:


A poor diet lacking in essential nutrients can weaken the immune system, making the body more susceptible to infections that manifest as leucorrhoea.


Chronic stress can disrupt hormonal balance, impacting the menstrual cycle and contributing to abnormal vaginal discharge.

Tight Clothing:

Wearing tight or non-breathable clothing can trap moisture and heat, creating an environment conducive to bacterial overgrowth and infections.

FAQs About the Causes of Leucorrhoea

What is Leucorrhoea, and is it Normal?

Leucorrhoea, commonly known as vaginal discharge, is a natural and essential function of the female reproductive system. It helps maintain vaginal health by cleansing and moistening the area. While some amount of discharge is normal, an abnormal increase or changes in consistency may indicate an underlying issue.

Are Hormonal Changes a Common Cause of Leucorrhoea?

Yes, hormonal changes can contribute to leucorrhoea. Fluctuations in estrogen levels, especially during ovulation and pregnancy, can lead to an increase in vaginal discharge. Additionally, hormonal imbalances due to conditions like polycystic ovary syndrome (PCOS) or thyroid disorders may also play a role.

What Infections Can Cause Abnormal Leucorrhoea?

Several infections can lead to abnormal vaginal discharge. Common culprits include bacterial, fungal, or parasitic infections. Conditions such as yeast infections (Candida) and bacterial vaginosis can disrupt the natural balance of vaginal flora, causing changes in discharge.

Do Lifestyle Factors Play a Role in Leucorrhoea?

Yes, lifestyle factors can influence leucorrhoea. A diet lacking in essential nutrients can weaken the immune system, making the body more susceptible to infections. Additionally, chronic stress, tight clothing, and allergic reactions to certain products can contribute to abnormal vaginal discharge.

When Should I Seek Medical Advice for Leucorrhoea?

If you experience persistent or bothersome leucorrhoea, it is advisable to seek medical advice. Consult a healthcare professional for a thorough examination and appropriate treatment. Timely intervention can help identify and address any underlying causes, ensuring reproductive health.


Leucorrhoea is a common occurrence in women, with various factors contributing to its occurrence. While some causes are natural and physiological, others may indicate underlying health issues. Understanding the different factors at play is crucial for maintaining reproductive health. By adopting healthy lifestyle practices and seeking timely medical advice, women can effectively manage and address leucorrhoea, ensuring their well-being and overall quality of life.

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