Vaginal discharge is a clear, white, or off-white fluid that comes from your vagina. It’s made of cells, bacteria, and mucus produced by the cervix and vaginal walls. Every woman produces it, and its main job is to keep the vagina clean, moist, and protected from infection. The amount, texture, and color shift throughout your menstrual cycle, during pregnancy, and after menopause.
What Normal Discharge Looks Like
Healthy discharge is clear, milky white, or slightly off-white. It can range from watery to sticky to thick and pasty, depending on where you are in your cycle. It may have a mild odor, but it shouldn’t smell strongly unpleasant. The volume varies from person to person. Some women notice it on their underwear daily, while others rarely see it.
Your vagina maintains a moderately acidic environment, with a pH between 3.8 and 5.0 during your reproductive years. Discharge is part of that system. It flushes out old cells and helps maintain the balance of healthy bacteria that keep the vaginal environment slightly acidic, which prevents harmful organisms from taking hold.
How Discharge Changes During Your Cycle
Your discharge follows a predictable pattern each month, driven by shifting hormone levels. Tracking these changes can help you understand what’s normal for your body and even identify your most fertile days.
After your period (days 1 to 9): Discharge starts dry or tacky, often white or slightly yellow. By around day 7, it becomes creamier and cloudier, similar to the consistency of yogurt.
Around ovulation (days 10 to 14): This is when discharge is most noticeable. It becomes slippery, stretchy, and clear, often compared to raw egg whites. This texture exists for a biological reason: it makes it easier for sperm to travel through the vagina and reach an egg.
After ovulation (days 15 to 28): Discharge thickens again and then gradually dries up until your next period begins.
Discharge During Pregnancy
Early pregnancy often brings a noticeable increase in discharge. Rising estrogen levels cause the body to produce more fluid and boost blood flow to the vagina and uterus. This pregnancy-related discharge, sometimes called leukorrhea, is thin, clear or milky white, and has little to no smell. It looks similar to everyday discharge but there’s simply more of it. A steady increase in volume throughout pregnancy is typical and not a cause for concern on its own.
Discharge After Menopause
When estrogen levels drop during and after menopause, the vaginal lining becomes thinner, drier, and less elastic. Discharge decreases significantly, and the fluid that does appear may be thin, watery, sticky, or slightly yellow or gray. Many women experience vaginal dryness, discomfort during sex, and light bleeding after sex as a result of these tissue changes. This is a common condition that affects a large percentage of postmenopausal women.
Signs That Discharge May Be Abnormal
Changes in color, smell, or texture can signal an infection. Three of the most common vaginal infections each produce a distinct type of discharge:
- Yeast infection: Thick, white, clumpy discharge (often compared to cottage cheese) with no strong odor. Usually accompanied by intense itching and irritation.
- Bacterial vaginosis (BV): Grayish, sometimes foamy discharge with a noticeable fishy smell. BV occurs when the balance of bacteria in the vagina shifts, pushing the pH above its normal acidic range.
- Trichomoniasis: Frothy, yellow-green discharge that smells bad and may contain small spots of blood. This is a sexually transmitted infection caused by a parasite, and it raises vaginal pH significantly.
Sexually transmitted infections like chlamydia and gonorrhea can also cause unusual discharge, though chlamydia in particular is often asymptomatic, meaning many women have it without any visible changes. Gonorrhea is more likely to produce a noticeable discharge.
Symptoms That Accompany Problem Discharge
Discharge alone isn’t always enough to identify what’s going on. Pay attention to what comes with it. Itching, burning, redness or swelling around the vulva, pain during urination, pain during sex, or a strong persistent odor all suggest something beyond normal variation. A combination of these symptoms, or discharge that looks green, bright yellow, or gray, points toward infection rather than a normal hormonal shift.
The majority of women will experience at least one vaginal infection in their lifetime. These are extremely common and treatable. However, symptoms alone aren’t reliable enough for self-diagnosis. The CDC notes that a medical history without an examination is often insufficient to distinguish between different types of vaginitis, which means the wrong over-the-counter treatment can delay proper care. If your discharge has changed in a way that feels unfamiliar or uncomfortable, getting tested gives you a clear answer and the right treatment.