Spotting during pregnancy looks like a few drops of pink, red, or dark brown blood on your underwear or on toilet paper when you wipe. It’s light enough that a panty liner won’t fill up, and you might only notice it once or twice during the day. Somewhere between 15 and 25 out of every 100 pregnancies involve some bleeding in the first trimester, and in many cases it doesn’t signal a major problem.
How Spotting Differs From Bleeding
The simplest way to tell spotting from bleeding is volume. Spotting produces a few scattered drops. You notice it on tissue or as small marks in your underwear. Bleeding, by contrast, is a steady enough flow that you need a pad or liner to protect your clothes. Heavy bleeding means you’re soaking through a pad every few hours.
Color also tells you something. Fresh spotting tends to be pink or light red. Blood that’s taken longer to travel from your cervix or uterus often looks dark brown or rust-colored, almost like old blood at the tail end of a period. Both shades are common and don’t, on their own, indicate anything dangerous.
Implantation Bleeding: The Earliest Spotting
The first spotting many people notice happens before they even know they’re pregnant. When a fertilized egg attaches to the uterine lining, it can cause very light bleeding known as implantation bleeding. This typically occurs about 10 to 14 days after ovulation, which puts it right around the time you’d expect your period. That timing is why it’s so easy to confuse the two.
Implantation bleeding is usually lighter than a period, lasts only a day or two, and stops on its own. It won’t progress into a heavier flow the way a period does. If you see a small amount of pink or brown spotting that fades within 48 hours and your period never fully arrives, a pregnancy test is a reasonable next step.
Why Spotting Happens in the First Trimester
Beyond implantation, your cervix becomes more sensitive during pregnancy. Hormonal changes cause the soft, blood-rich cells normally found inside the cervical canal to spread to the outer surface of the cervix. This is called cervical ectropion, and it’s harmless. But those cells are delicate. A pelvic exam, sexual intercourse, or even a particularly active day can irritate them enough to produce a small amount of spotting afterward. The blood is usually pink or light red and resolves within hours.
Another common cause is a subchorionic hematoma, a small pocket of blood that collects between the uterine wall and the pregnancy sac. It can produce anything from light spotting to heavier bleeding, sometimes with mild cramping. Most subchorionic hematomas are found on ultrasound and resolve on their own as the pregnancy progresses. Your provider may recommend follow-up imaging to confirm the blood collection is shrinking.
Late Pregnancy: What Bloody Show Looks Like
In the final weeks of pregnancy, spotting takes on a different appearance. As your cervix begins to soften and open in preparation for labor, the mucus plug that sealed the cervical canal can dislodge. This is called “bloody show,” and it looks distinct from earlier spotting. Expect a jelly-like, stringy discharge that may be clear or mucus-colored with streaks of red, pink, or brown blood running through it. The total amount is small, usually no more than a tablespoon or two.
Bloody show doesn’t mean labor is imminent. Some people see it weeks before contractions start, while others don’t notice it until active labor is already underway. It’s a sign that your body is preparing, not a signal to rush to the hospital. If you see it alongside regular contractions or your water breaking, those are better indicators that labor has begun.
When Spotting Becomes a Concern
Most spotting during pregnancy is harmless, but certain patterns deserve prompt attention. Spotting that escalates into steady bleeding, especially if you’re soaking through a pad, is not typical spotting anymore. Bleeding paired with strong abdominal or pelvic cramping, passage of tissue or clot-like material, fever, or foul-smelling discharge warrants urgent evaluation.
One particularly serious cause is ectopic pregnancy, where the embryo implants outside the uterus. Spotting from an ectopic pregnancy can be accompanied by sharp pain on one side of the pelvis, lightheadedness, or, in rare cases, pain that radiates to the shoulder. This is a medical emergency because a growing ectopic pregnancy can cause life-threatening internal bleeding.
How to Track What You’re Seeing
If you notice spotting, wearing a panty liner for a few hours gives you a practical way to gauge the volume. Note the color (pink, red, or brown), whether it stays as scattered drops or begins to spread across the liner, and how long it lasts. Write down any activities that preceded it, like sex or exercise, and whether you’re having any cramping. This information is genuinely useful to a provider if you end up calling, because it helps them decide whether you need an in-person evaluation or an ultrasound, or whether monitoring at home is appropriate.
A single episode of light brown or pink spotting that resolves within a day, with no pain and no increase in flow, is the most common and least worrisome pattern. Repeated episodes, spotting that turns red and grows heavier, or any bleeding in the second half of pregnancy that isn’t clearly bloody show all merit a call to your provider sooner rather than later.