A miscarriage can look like anything from a heavy period to the passage of distinct tissue and clots, depending on how far along the pregnancy is. Very early losses (before five weeks) often resemble a late, heavy menstrual period with extra cramping. Later losses involve larger clots, visible tissue, and sometimes a recognizable gestational sac. Knowing what to expect at each stage can help you understand what’s happening in your body.
Before 5 Weeks: Chemical Pregnancy
A pregnancy loss in the first five weeks is called a chemical pregnancy, and it frequently looks almost identical to a menstrual period. Many people never realize they were pregnant. The bleeding may feel completely normal, or it may be noticeably heavier than usual with more intense cramping. Sometimes it begins as light spotting and then becomes heavy, with small blood clots.
A few subtle clues can set it apart from a regular period: your period arrives about a week later than expected, or you had a positive pregnancy test that later turned negative. But visually, there is usually no distinct tissue to see. The pregnancy is too small at this point to be visible to the naked eye.
What It Looks Like at 6 to 10 Weeks
This is the window when most miscarriages happen, and the appearance changes noticeably week by week.
At around six weeks, you may see blood clots containing a small fluid-filled sac. Inside that sac, the embryo is roughly the size of the fingernail on your little finger. A tiny placenta and something resembling a thin umbilical cord may also be visible.
By eight weeks, the tissue you pass often looks dark red and shiny, similar in appearance to raw liver. The embryo, now about the size of a small bean, may be found inside a sac within the clots. The texture and color of the tissue are distinctly different from a normal blood clot.
At ten weeks, the clots tend to be dark red and jelly-like. You might notice what looks like a thin membrane inside one of the clots, which is part of the placenta. The gestational sac will typically be embedded within one of the larger clots rather than appearing separately.
Second Trimester Losses: 13 to 20 Weeks
A miscarriage after 13 weeks is less common and looks significantly different from an early loss. From 16 to 20 weeks, you may pass large, shiny red clots that resemble liver, along with pieces of tissue that look and feel like membrane. The fetus is more developed at this stage and may be recognizable.
Bleeding during a second trimester loss can be substantial. There is a high chance of significant bleeding if the pregnancy delivers on its own at home. Before 20 weeks, many women do not notice physical symptoms of a fetal loss until bleeding begins, though loss of fetal movement (for those who have started feeling it) can be an early warning sign.
How the Bleeding Progresses
Miscarriage bleeding rarely starts all at once. It often begins as light spotting or a brownish discharge that looks like coffee grounds. This brown color is old blood that has been sitting in the uterus before slowly working its way out. The spotting may then shift to bright red bleeding with visible clots.
When the pregnancy actually passes, the bleeding becomes heavy, often heavier than a typical period. You’ll likely feel strong cramping as your uterus contracts to push out the tissue. This stage can last several hours. Afterward, lighter bleeding commonly continues for up to three weeks as the uterus finishes clearing out remaining tissue.
Not every miscarriage follows this pattern. In a missed miscarriage, the pregnancy has stopped developing but the tissue stays in the uterus for weeks. You might notice only dark brown spotting or no bleeding at all. Many people discover a missed miscarriage only during a routine ultrasound. In an incomplete miscarriage, some tissue passes but some remains. Bleeding and cramping may continue at a lower level until the remaining tissue comes out on its own or is removed.
How the Pain Feels
Cramping during a miscarriage ranges from mild, period-like discomfort to severe pain. In early losses, the cramping may feel like a bad period. As the pregnancy gets further along, the contractions needed to pass the tissue become stronger. Some people also feel lower back pain as the uterus contracts and pushes against back muscles.
The most intense pain typically happens during the window when the pregnancy tissue is actively passing, which can last from a few hours to a day. Before and after that peak, the cramping tends to be milder and more intermittent. Mild cramping on its own in early pregnancy is common and does not necessarily signal a miscarriage, but cramping paired with heavy bleeding is more concerning.
Other Physical Changes You Might Notice
Beyond bleeding and cramping, a miscarriage can involve a gush of clear or pink fluid from the vagina. Pregnancy symptoms like breast tenderness and nausea may suddenly fade or disappear. Some people feel dizzy, lightheaded, or faint, particularly if the bleeding is heavy.
Signs of a Dangerous Complication
Most miscarriages, while painful and distressing, resolve without medical emergencies. But certain signs point to complications that need immediate attention. Soaking through more than two heavy-flow pads per hour for three consecutive hours signals dangerously heavy bleeding. A fever, especially combined with discharge that has a foul odor, can indicate an infected (septic) miscarriage. This is a serious condition that can lead to shock and organ failure without treatment. Severe abdominal pain that does not respond to pain relief also warrants emergency care.