Postpartum

Golf-Ball-Size Clots After Birth: Get Help Now

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Passing a blood clot bigger than a golf ball after birth, or many large clots, can signal postpartum hemorrhage and needs emergency care. Call 911 or go to the nearest emergency room, especially with heavy bleeding, dizziness, or a racing heart. Large clots can appear right after delivery or weeks later.

Last updated: July 2026

If this is happening now

Call 911 or go to the nearest emergency room now if you pass a clot larger than a golf ball, pass repeated large clots, or feel faint with heavy bleeding after birth. Postpartum hemorrhage can worsen within minutes, so do not wait for a scheduled visit.

Care like this may require 911 or emergency services. Gale doesn't schedule appointments for emergencies — emergency care comes first; scheduled follow-up can wait until you're safe.

What to do right now

Call 911 or go to the nearest emergency room if you pass a clot larger than a golf ball, pass repeated big clots, or feel faint, clammy, or short of breath 3. Large clots can mean the uterus is not contracting or that placental tissue remains, both of which cause rapid blood loss. Getting help within minutes matters more than measuring the clot exactly. Emergency teams can give fluids, medicines that tighten the uterus, and tranexamic acid, which lowers the risk of death from bleeding when it is started within 3 hours of birth 2. Bringing a rough count of soaked pads and large clots helps the team judge how much blood you have lost. According to postnatal guidelines, sudden heavy clotting or bleeding after delivery is always a reason to seek urgent help 3.

Why does clot size matter after birth?

Clot size gives clinicians a quick read on how fast you may be bleeding. Small clots, up to about the size of a grape or a quarter, can be part of normal early healing as pooled blood passes. A single clot bigger than a golf ball, or a steady run of large clots, suggests heavier loss and possible retained placenta 1. Normal healing bleeding, called lochia, tapers over about 4 to 6 weeks and does not produce repeated large clots. One or two small clots when you first stand up after lying down for a while can be normal as pooled blood passes. The pattern of your bleeding and when your period returns helps separate normal recovery from an emergency, according to ACOG 1.

How big is a dangerous clot after delivery?

A clot larger than a golf ball is the size most often used as a warning threshold, and it is a reason to seek emergency care 1. Passing one very large clot, several egg-sized clots, or clots along with soaking a full pad every hour points toward postpartum hemorrhage rather than routine healing. Bleeding can also change after a cesarean, and recovery after a cesarean follows its own week-by-week pattern. What matters most is the combination: large clots plus heavy flow, dizziness, or a fast heartbeat. Passing tissue that looks grey or stringy, rather than a clot, can mean retained placenta and also needs prompt review. Clots that keep coming after bleeding had slowed are a reason to seek urgent care 3.

What causes large clots after birth?

Large clots usually form when blood pools faster than the uterus can push it out, most often because the uterus is not contracting firmly or because placental fragments remain 1. Risk is higher after a long or induced labor, twins, a big baby, many prior births, or fibroids. Clotting that begins more than 24 hours after birth, up to 12 weeks later, is called late hemorrhage and often reflects retained tissue or infection 1. Heavy clotting can follow any birth and at any age, from teens to mothers over 40, even after a healthy pregnancy 1. Heavy loss can leave you low on iron and short of breath for weeks, which is why follow-up blood work is common after a hemorrhage. Rebuilding iron and pelvic floor recovery come later, once the bleeding is controlled.

When large postpartum clots are an emergency

Large postpartum clots become an emergency when they come with heavy bleeding, when a clot is bigger than a golf ball, or when you feel dizzy, faint, breathless, or your heart is racing. Call 911 or go to the nearest emergency room rather than waiting for a clinic to open 3. A partner noticing you look pale, clammy, or confused is another reason help cannot wait. After the emergency is treated, follow-up can check your blood count and your emotional recovery, since a scary birth can affect mood and the risk of postpartum depression 4. If you feel too weak to stand, calling 911 is safer than trying to get to a car. Knowing these signs before you go home makes them easier to act on.

Common questions

A clot larger than a golf ball, or a steady run of large clots, is the usual warning threshold and a reason to seek emergency care. Small clots in the first days can be part of normal healing, but big clots with heavy bleeding, dizziness, or a racing heart need urgent evaluation.

Yes. Passing small clots, up to about the size of a grape or quarter, in the first days can be part of normal healing as pooled blood clears. Repeated large clots, or clots with soaked pads and lightheadedness, are not normal and need emergency care.

Yes. Clotting and bleeding that begin or worsen from about 24 hours to 12 weeks after birth are called late or secondary postpartum hemorrhage, often from retained placenta or infection. New large clots after bleeding had improved are a reason to call 911 or go to the emergency room.

Emergency and obstetric teams can give fluids, medicines that help the uterus contract, and tranexamic acid, which lowers the risk of death from bleeding when it is given within 3 hours of birth. They can also remove retained tissue and find the cause. Getting there quickly gives treatment the best chance.

Related

When postpartum clots are an emergency

  • —Passing a blood clot larger than a golf ball after birth is a reason to call 911 or go to the nearest emergency room
  • —Passing several large clots along with soaking a pad an hour is a reason to seek emergency care right away
  • —Feeling dizzy, faint, or noticing a racing heart with clots and bleeding is a reason to call 911
  • —Looking pale, clammy, or feeling breathless after delivery is a reason to get emergency help immediately

Call 911 or go to the nearest emergency room now if you pass a clot larger than a golf ball, pass repeated large clots, or feel faint with heavy bleeding after birth. Postpartum hemorrhage can worsen within minutes, so do not wait for a scheduled visit.

This article is general health education, not medical advice. Heavy bleeding and large clots after birth are evaluated by emergency clinicians and your obstetric provider or midwife; when in doubt, emergency care is the safest choice.

References

  1. 1.American College of Obstetricians and Gynecologists (2017). Practice Bulletin No. 183: Postpartum Hemorrhage. Obstetrics & Gynecology. doi:10.1097/AOG.0000000000002351 ✓Defines postpartum hemorrhage, names a uterus that does not contract and retained placenta as leading causes, and describes warning signs such as clots larger than a golf ball and its secondary window of 24 hours to 12 weeks after birth.
  2. 2.WOMAN Trial Collaborators / Shakur H, et al. (2017). Effect of early tranexamic acid administration on mortality, hysterectomy, and other morbidities in women with post-partum haemorrhage (WOMAN): an international, randomised, double-blind, placebo-controlled trial. Lancet. doi:10.1016/S0140-6736(17)30638-4 ✓Randomized trial showing early tranexamic acid, given within 3 hours of birth, reduces death due to bleeding in postpartum hemorrhage, underscoring how time-sensitive treatment is.
  3. 3.National Institute for Health and Care Excellence (2026). Postnatal care (NG194). National Institute for Health and Care Excellence (NICE). link ✓Postnatal-care guidance on warning signs after birth, including sudden or heavy vaginal bleeding and clotting, and when to seek urgent or emergency review.
  4. 4.American College of Obstetricians and Gynecologists (2018). ACOG Committee Opinion No. 736: Optimizing Postpartum Care. Obstetrics & Gynecology. doi:10.1097/AOG.0000000000002633 ✓Guidance on postpartum follow-up and recovery, including recognizing warning signs and addressing physical recovery and emotional health after a frightening birth.

4 sources, numbered by first appearance. General health information, not medical advice. AI-assisted editorial content — every citation independently verified. Editorial policy

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