Vaginal discharge is a normal fluid your body produces to keep the vagina clean, moist, and protected from infection. It’s a mix of moisture from the vaginal walls, secretions from glands in the cervix, and shed skin cells. Most women produce it daily, and its appearance shifts throughout the menstrual cycle, during pregnancy, and with age. Understanding what’s normal helps you recognize when something has changed and needs attention.
What Normal Discharge Looks Like
Healthy discharge is typically clear to white, doesn’t stick to the vaginal walls, and has no strong or unpleasant odor. It can sometimes appear slightly clumpy due to shed skin cells, which is completely normal. The vagina maintains an acidic environment with a pH between 3.8 and 4.5 in women of reproductive age. This acidity is produced by beneficial bacteria and acts as a natural defense against harmful organisms. As long as discharge falls within this general description, it’s your body doing exactly what it should.
The amount of discharge varies from person to person. Some women notice it on their underwear daily, while others rarely do. Both are normal. Occasional increases in volume, especially around ovulation or before a period, don’t signal a problem either.
How Discharge Changes Through Your Cycle
If you have a roughly 28-day menstrual cycle, your discharge follows a predictable pattern driven by hormonal shifts. Tracking these changes can help you understand your fertility window or simply know what to expect week to week.
- Days 1 to 4 (after your period ends): Dry or tacky, usually white or slightly yellow-tinged.
- Days 4 to 6: Slightly sticky and damp, still white.
- Days 7 to 9: Creamy, similar to yogurt in consistency. Wet and cloudy.
- Days 10 to 14 (around ovulation): Stretchy, slippery, and clear, often compared to raw egg whites. This is your most fertile window.
- Days 15 to 28: Returns to dry or nearly dry until your next period.
These shifts happen because estrogen levels rise as ovulation approaches, making cervical mucus thinner and more slippery to help sperm travel. After ovulation, progesterone takes over and the mucus thickens again. Hormonal birth control can also change your discharge pattern since it alters these same hormone levels.
Discharge During Pregnancy
Pregnancy increases discharge volume noticeably. This is sometimes called leukorrhea, and it’s thin, clear or milky white, and mild-smelling. The increase happens because higher estrogen levels boost blood flow to the vaginal area, which stimulates more fluid production. As pregnancy progresses, the volume continues to rise.
In the final week or so before labor, you may notice a thicker, jelly-like discharge with streaks of pink. This is the mucus plug that sealed the cervix throughout pregnancy coming away, sometimes called “the show.” It’s a sign your body is preparing for delivery.
Changes During Menopause
As estrogen levels drop during and after menopause, discharge typically decreases significantly. The vaginal lining becomes thinner and produces less moisture, which can lead to dryness, itching, and discomfort during sex. The glands that contribute to lubrication also become less active. Some postmenopausal women still notice discharge, but it’s usually lighter in volume. Vaginal pH tends to rise above 4.5 in postmenopausal women, which can make the vagina more vulnerable to infections. If you notice new or unusual discharge after menopause, it’s worth getting checked, since the causes are different from those in younger women.
Arousal Fluid Is Different From Discharge
The lubrication your body produces during sexual arousal is not the same as everyday discharge. Arousal fluid comes directly from the vaginal walls as blood flow to the area increases during stimulation. It’s typically clear, slippery, and only present when you’re aroused, subsiding after orgasm. The discharge you notice throughout the day is primarily cervical mucus, produced continuously as part of your body’s cleaning and protective system regardless of sexual activity.
Signs of a Yeast Infection
Yeast infections produce a thick, white discharge often described as looking like cottage cheese. There’s usually no strong odor, but you’ll likely notice intense itching or burning around the vulva, along with redness and swelling. The vaginal pH typically stays in the normal range during a yeast infection, which is one way it differs from bacterial causes. Yeast infections are caused by an overgrowth of Candida, a fungus that normally lives in the vagina in small amounts. Triggers include antibiotics, high blood sugar, hormonal changes, and a weakened immune system.
Signs of Bacterial Vaginosis
Bacterial vaginosis (BV) is the most common vaginal infection in women of reproductive age. It happens when the balance of bacteria in the vagina shifts, with harmful anaerobic bacteria replacing the beneficial ones that keep pH low. The result is a thin, white or grayish discharge with a noticeable fishy smell that often worsens after sex. Unlike yeast infections, BV pushes vaginal pH above 4.5. There’s typically no itching or significant inflammation, which is another way to distinguish it from yeast.
When Discharge Signals an STI
Sexually transmitted infections can change discharge in specific ways. Trichomoniasis, caused by a parasite, produces a green or yellow frothy discharge with a foul odor. It can also cause pain during sex, vaginal soreness, and burning with urination. Vaginal pH may rise as high as 6.0 or above with this infection.
Gonorrhea can cause thick, cloudy, or bloody discharge along with painful urination. Chlamydia is trickier because it often causes no symptoms at all. When it does, symptoms tend to appear 5 to 14 days after exposure and can include abnormal discharge, painful urination, bleeding between periods, and lower abdominal pain. Because chlamydia and gonorrhea can be silent, any unexplained change in discharge after a new sexual partner is worth testing for.
What Color Tells You
Color is one of the quickest ways to gauge whether your discharge is normal. Clear to white is typical and healthy. Yellow or gray can indicate bacterial vaginosis or an STI. Green or yellow-green, especially if frothy, strongly suggests trichomoniasis or another infection. Pink or brown discharge outside your period may be spotting from hormonal shifts, implantation in early pregnancy, or irritation. Bright red discharge outside menstruation, particularly if heavy, warrants prompt attention.
How Infections Are Diagnosed
If your discharge has changed in color, smell, or texture, a healthcare provider will typically take a small sample during an exam. That sample can be tested several ways. A wet mount involves placing the fluid on a glass slide and examining it under a microscope for bacteria, yeast, or “clue cells,” which are vaginal wall cells with fuzzy borders that indicate BV. A whiff test adds a chemical solution to the sample to check for the fishy odor characteristic of BV. pH testing measures acidity: a reading above 4.5 points toward BV or trichomoniasis, while a normal reading with cottage-cheese discharge suggests yeast. DNA-based tests can identify specific organisms when the diagnosis isn’t clear from these simpler methods.
These tests are quick, usually done during a single office visit, and the results often come back the same day or within a few days for DNA testing.
Red Flags Worth Acting On
You should schedule a visit with a healthcare provider if you notice greenish, yellowish, thick, or cottage cheese-like discharge that’s new for you. A strong or foul vaginal odor, especially a fishy smell, is another clear signal. Itching, burning, or irritation of the vulva, particularly with visible redness or swelling, points toward infection. Spotting or bleeding between periods that you can’t explain, and pain during urination or sex alongside discharge changes, also warrant evaluation. These symptoms don’t always mean something serious, but they do mean your vaginal environment has shifted in a way that usually benefits from treatment.