Normal vaginal discharge is clear, milky white, or off-white. It can range from watery to thick and pasty depending on where you are in your menstrual cycle, and the typical daily amount is about half a teaspoon to one teaspoon (2 to 5 mL). It shouldn’t have a strong or unpleasant smell, though a mild tangy or slightly sour scent is completely normal.
Color and Texture of Healthy Discharge
Healthy discharge falls within a narrow color range: clear, white, or off-white. Any of these are normal, and you might see all three at different points in the same cycle. The texture varies more widely. It can be watery, sticky, gooey, thick, or pasty, and all of these are normal as long as the color stays within range.
What matters most is that the discharge doesn’t look gray, green, bright yellow, or chunky like cottage cheese. Those textures and colors signal something different is going on, which we’ll cover below.
How Discharge Changes Through Your Cycle
Your discharge isn’t static. It shifts in a predictable pattern each month, driven by hormonal changes tied to ovulation.
- Right after your period: Discharge is minimal, dry, or pasty. You might barely notice it.
- Approaching ovulation: It becomes creamier and more noticeable, then transitions to wet, stretchy, and slippery. At peak fertility, it often looks and feels like raw egg whites: clear, stretchy, and slick. This is the most fertile-type cervical mucus.
- After ovulation: Discharge thickens again and turns white or cloudy. It stays this way through the second half of your cycle until your period begins.
Tracking these changes can help you understand your own baseline. Once you know your pattern, shifts outside of it become easier to spot.
What Normal Discharge Smells Like
Every vagina has a natural scent, and it fluctuates. Discharge often smells most pronounced at midcycle, and the scent can shift after exercise or sex. A slightly sour or tangy smell is associated with lactobacilli, the beneficial bacteria that keep the vaginal environment acidic and healthy. Some people describe it as similar to sourdough bread or plain yogurt.
An ammonia-like smell can show up if there’s urine residue on the vulva or if you’re dehydrated. A body-odor type scent sometimes appears during periods of stress. These are temporary and not a sign of infection.
The smell to pay attention to is a persistent fishy odor, especially one that gets stronger after sex. That pattern is closely associated with bacterial vaginosis, an overgrowth of certain bacteria that disrupts the vaginal environment.
Why Your Vagina Stays Acidic
The vaginal environment sits at a pH between 3.8 and 5.0 for people of reproductive age, which is moderately acidic. That acidity comes from the same lactobacilli bacteria responsible for the mild tangy scent. They produce lactic acid as a byproduct, keeping the pH low enough to discourage harmful bacteria and yeast from taking over.
This pH can be temporarily shifted by unprotected sex, certain medications, or douching. Before puberty and after menopause, the pH tends to run slightly higher than 4.5 because estrogen levels are lower and there are fewer lactobacilli present.
Discharge During Pregnancy
Pregnancy increases discharge volume noticeably. The discharge itself typically stays thin, clear or milky white, and mild-smelling, but there’s simply more of it. This increase continues throughout pregnancy, with the heaviest volume toward the end.
In the final week or so before labor, you may notice streaks of sticky, jelly-like pink mucus. This is called a “show” and it’s the mucus plug that sealed the cervix during pregnancy coming away. It’s a normal part of late pregnancy.
How Birth Control and Menopause Affect Discharge
Hormonal contraceptives, including pills and hormonal IUDs, can change your discharge. Because these methods alter your hormonal patterns, the cyclical shifts described above may become less pronounced. Some people on hormonal birth control notice thicker, less variable discharge throughout the month.
After menopause, estrogen production drops significantly. Up to 60% of postmenopausal people experience vulvovaginal dryness and irritation as a result. Discharge volume decreases, sometimes dramatically. Some postmenopausal individuals have very little vaginal bacteria present at all. In this stage of life, dryness and irritation are far more commonly related to estrogen deficiency than to infection.
Signs That Discharge Isn’t Normal
A few changes are worth paying attention to because they can point to common, treatable conditions:
- Gray or grayish-white with a fishy smell: This combination is the hallmark of bacterial vaginosis. The odor often intensifies after sex.
- Thick, white, and clumpy (cottage cheese texture): This pattern, especially with itching and irritation, is typical of a yeast infection.
- Green or yellow with a strong odor: This can indicate a sexually transmitted infection such as trichomoniasis or gonorrhea.
- Significantly more discharge than usual with irritation: A sudden change in volume paired with burning, itching, or soreness suggests something has shifted in the vaginal environment.
The key is knowing your own baseline. A day of heavier or thicker discharge during ovulation is predictable. A week of gray, fishy-smelling discharge is not. Color, smell, and accompanying symptoms like itching or burning are the most reliable signals that something needs attention.