An increase in vaginal discharge is one of the most common body changes people notice, and most of the time it has a straightforward explanation. Your body naturally produces more or less discharge depending on where you are in your menstrual cycle, whether you’re pregnant, what products you’re using, or whether an infection has shifted the balance of bacteria or yeast in the vagina. The key to figuring out what’s going on is paying attention to what the discharge looks like, how it smells, and whether you have any other symptoms alongside it.
Your Menstrual Cycle Changes Discharge Volume
The most common reason for a temporary increase in discharge is simply your hormonal cycle doing its job. Estrogen and progesterone shift throughout the month, and your cervix responds by producing different amounts and types of mucus. Right after your period, discharge tends to be minimal, dry, or pasty. As you move toward the middle of your cycle, it gradually becomes creamier and more noticeable.
The biggest spike happens around ovulation, roughly mid-cycle. Estrogen peaks just before you ovulate, and your body produces a wet, stretchy, slippery discharge that looks and feels like raw egg whites. This is your most fertile window, and the increased volume is your body’s way of helping sperm travel. After ovulation, progesterone takes over, estrogen drops, and discharge becomes thick and dry again. So if you’re noticing more discharge for a few days and it’s clear or white with no odor, you may simply be ovulating.
Early Pregnancy Increases Discharge
If you’re pregnant or could be, increased discharge is one of the earliest and most persistent changes. The body ramps up vaginal secretions throughout pregnancy to reduce the risk of vaginal and uterine infections. This discharge, sometimes called leukorrhea, is typically thin, clear or white, and mild-smelling. The volume tends to increase as pregnancy progresses, not just in the first trimester. On its own, more discharge isn’t a reliable pregnancy test, but if you’re also experiencing breast tenderness, fatigue, or a missed period, it fits the pattern.
Bacterial Vaginosis
Bacterial vaginosis (BV) is the most common vaginal infection in people of reproductive age, and increased discharge is its hallmark symptom. BV happens when the normal balance of bacteria in the vagina shifts, allowing certain types to overgrow. The discharge is distinctive: thin, milky in consistency, grayish or off-white, and it smoothly coats the vaginal walls rather than clumping. The most recognizable sign is a fishy odor, which can be stronger after sex.
BV is not a sexually transmitted infection, though sexual activity can trigger it. Douching, new partners, and certain soaps can also shift the bacterial balance. It won’t resolve on its own in most cases and does require treatment, typically a short course of antibiotics.
Yeast Infections
A vaginal yeast infection produces a very different kind of increased discharge. The texture is thick, white, and lumpy, often compared to cottage cheese. Unlike BV, yeast infections don’t usually cause a strong odor. Instead, the main companion symptoms are intense itching and burning in and around the vagina, redness and swelling of the vulva, and sometimes small cracks or cuts in the skin from irritation.
Yeast infections are triggered by an overgrowth of fungus that normally lives in the vagina in small amounts. Antibiotics, high blood sugar, hormonal changes, and a weakened immune system can all tip the balance. Over-the-counter antifungal treatments work well for most people, but if you’ve never had a yeast infection before, it’s worth getting a proper diagnosis to make sure you’re treating the right thing.
Sexually Transmitted Infections
Several STIs cause noticeable changes in discharge. Chlamydia and gonorrhea both produce yellow vaginal discharge or discharge that looks different from your normal pattern. These infections are tricky because they can also be completely silent, with no symptoms at all, which is why routine screening matters if you’re sexually active with new partners.
Trichomoniasis, caused by a parasite, often produces a frothy, greenish-yellow discharge with a strong odor, along with irritation and discomfort during urination or sex. All three infections are treatable, but they won’t go away without medication, and untreated STIs can lead to more serious complications over time.
Products and Irritants
Your vagina can react to chemical irritants the same way your skin reacts to an allergen: by producing more fluid. Scented soaps, bubble baths, laundry detergents, douches, scented tampons or pads, and even certain lubricants or spermicides can trigger a reactive increase in discharge. This type of irritation, sometimes called non-infectious vaginitis, may also cause itching, burning, or redness without any underlying infection.
If you recently switched a product and noticed more discharge shortly after, that’s a strong clue. Switching to unscented, hypoallergenic products and avoiding douching (which disrupts the vaginal pH) is often enough to resolve it. If the discharge persists after removing the irritant, something else may be going on.
Hormonal Shifts Beyond Your Cycle
Any major hormonal change can affect discharge volume. Starting, stopping, or switching hormonal birth control is a common trigger, since these methods alter your estrogen and progesterone levels. Perimenopause, the transitional years before menopause, is another period of significant variability. Fluctuating estrogen during perimenopause can cause discharge to increase or decrease unpredictably, sometimes swinging from one extreme to the other within the same month.
Stress, significant weight changes, and breastfeeding also shift hormones enough to change your baseline discharge patterns. These changes are generally harmless, though they can be confusing if you’re not expecting them.
How to Tell What’s Normal
Normal discharge is clear, white, or slightly off-white. It has little to no odor, or a very mild one. It changes in texture and volume throughout the month. The total amount varies from person to person, and what’s “a lot” for you might be someone else’s baseline.
Discharge is more likely a sign of a problem if it:
- Smells fishy or foul
- Turns green, yellow, or gray
- Looks like cottage cheese or pus
- Comes with itching, burning, or swelling
- Is accompanied by pelvic pain or pain while urinating
If your discharge has changed color, texture, or smell compared to your personal normal, or if you’re experiencing any irritation or pain alongside the increase, that combination is worth getting evaluated. A medical history alone isn’t enough to diagnose the cause of abnormal discharge accurately. A proper exam with lab testing is the most reliable way to distinguish between BV, yeast, an STI, or simple irritation, since the symptoms can overlap more than most people realize.