First things first: if you are pregnant and something feels a little off down there, you are not being dramatic, and you are definitely not alone. Pregnancy changes almost everything about your body, and your vagina is very much part of that story. Many women notice more discharge, a different smell, or some itching, and the mind immediately jumps to worrying about the baby.
An infection during pregnancy is common; it is usually manageable once it is identified, and the best first step is getting checked instead of guessing. So let's walk through why vaginal infections happen, what the symptoms can look like, and what to do next.
Why Your Body Behaves Differently During Pregnancy
The moment you become pregnant, your hormones start working overtime. Oestrogen and progesterone rise, and more blood flows to the pelvic area. One very normal result is an increase in vaginal discharge. It is usually thin, milky white or clear, and has only a mild smell, if any.
Your vagina also has its own little ecosystem of healthy bacteria that keeps the environment slightly acidic and protective. During pregnancy, that balance can tip more easily than usual. When it does, the door opens for an infection to settle in.
If you are not sure what counts as normal, our guide on vaginal discharge during pregnancy is a good place to compare what you are seeing.
What Causes Vaginal Infections During Pregnancy?
Most vaginal infections come down to one of two things: the balance of bacteria and yeast shifting, or an organism being passed on through close contact. Here are the most common routes.
A shift in your vaginal bacteria
Bacterial vaginosis happens when the protective bacteria are outnumbered by other types. It is not a sign of poor hygiene, and you did not do anything wrong. Hormonal changes in pregnancy are one of the reasons the balance can wobble.
Yeast overgrowth
A small amount of yeast lives in most vaginas without causing any trouble. Pregnancy hormones can make it easier for yeast to multiply, which is why many pregnant women deal with itching, soreness, and thick white discharge at some point. Higher blood sugar levels can also make yeast overgrowth more likely, which is one more reason to keep up with your antenatal check-ups.
Sexually transmitted infections
Some infections, such as trichomoniasis, chlamydia, and gonorrhoea, can spread through sexual contact and may cause discharge, irritation, or discomfort. Some of them cause no symptoms at all, so a person can have one without knowing. This is exactly why doctors sometimes suggest testing even when you feel fine. There is no judgement in it, only care for you and your baby.
Everyday things that upset the balance
Sometimes the trigger is small and ordinary. Scented soaps, washes, sprays or wipes, douching, tight synthetic clothing, and staying in damp or sweaty clothes can irritate the delicate skin and disturb the natural balance. Your pregnant body is more sensitive, so things that never bothered you before may start to.
Vaginal Infection Symptoms in Pregnancy to Watch For
Not every change means an infection, but these are worth paying attention to:
Discharge that changes colour, such as grey, yellow, or green
A strong or fishy smell that was not there before
Thick, clumpy white discharge
Itching, burning, redness, or swelling around the vagina
Pain or burning when you pee
Discomfort during sex
Here is the tricky part. Many infections look and feel similar, and some symptoms overlap with other problems. Burning while peeing, for example, can point to a urinary issue rather than a vaginal one. If you are trying to work out which is which, this explainer on the difference between a vaginal infection and a UTI can help you understand the basics. Still, only a doctor can tell you what is actually going on.
Why It Is Better Not to Ignore It
It can be tempting to wait and hope it passes, especially when you are already juggling nausea, tiredness, and a long list of appointments. But some vaginal infections during pregnancy have been linked with complications in certain situations, which is why doctors prefer to check rather than watch and wait. The good news is that when an infection is found, your doctor can guide you on what is safe for you at this stage of pregnancy.
When to Get Medical Help Quickly
Please speak to a doctor soon if you notice any of the following:
Symptoms that do not settle or keep coming back
Discharge with a foul smell or an unusual colour
Pelvic or lower abdominal pain
Fever or feeling unwell
Any bleeding
A sudden gush or steady trickle of watery fluid, which may not be discharge at all
If you have bleeding, strong pain, fever, or a leak of fluid, please seek urgent medical care instead of waiting for an appointment or you can Talk to a online gynaecologist.
Gentle Habits That Support Vaginal Comfort
These are not cures, just everyday habits that many doctors encourage to keep the area comfortable:
Wear breathable cotton underwear and change out of wet clothes quickly
Wipe from front to back
Skip douching and heavily scented products
Keep the area clean with plain water on the outside only
Your vagina is self-cleaning. Doing less is often kinder than doing more.
What Doctors Want You to Know
A vaginal infection in pregnancy is not your fault, and it is nothing to be embarrassed about.
Please do not self-medicate or use products from the chemist without asking. What is safe outside pregnancy may not be right now.
Symptoms alone cannot confirm which infection you have, so an examination or test is often needed.
Small symptoms are worth mentioning. A quick check can save you days of worry.
If an infection is linked to sexual contact, your partner may also need to be checked so it does not come back.
Final Thoughts
A vaginal infection during pregnancy can feel scary, but it is one of the more common things women face in these months, and it is usually something your doctor can help you handle. Pay attention to changes, trust your instincts, and never feel silly for asking. Looking after yourself is looking after your baby too.
Frequently Asked Questions
What causes vaginal infection during pregnancy?
A vaginal infection during pregnancy can occur due to changes in hormones and the vaginal environment. Common types include yeast infections and bacterial vaginosis. Pregnancy-related changes can affect the natural balance of vaginal bacteria and make infections more likely.
What are the common vaginal infection symptoms during pregnancy?
Vaginal infection symptoms during pregnancy may include unusual vaginal discharge, itching, irritation, redness, soreness or an unusual odour. The symptoms can vary depending on the type of infection.
Is infection during pregnancy common?
Some types of vaginal infections can occur during pregnancy. However, unusual symptoms should not be ignored. A healthcare professional can assess the symptoms and determine whether further evaluation is needed.
Can a vaginal infection during pregnancy affect the baby?
Some vaginal infections may require medical attention during pregnancy because certain untreated infections can be associated with pregnancy complications. If you notice unusual discharge, itching, irritation or odour, consult a healthcare professional.
How can vaginal infections during pregnancy be diagnosed?
A healthcare professional may assess your symptoms and medical history and may recommend an examination or testing when needed. It is important not to self-diagnose an infection during pregnancy.
Disclaimer: This material is for educational purposes only and is not a substitute for professional medical advice. Please consult a registered medical practitioner for diagnosis and treatment.
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What Causes Vaginal Infections During Pregnancy?

Written By Sakshi
Medically Reviewed By Dr. Yash Bahuguna, MBBS, MS, DNB, Medical Registration No. 110281


