Dr. Aaron T. Gelfand is an obstetrician-gynecologist in Englewood, New Jersey and is affiliated with multiple hospitals in the area, including Englewood Hospital and St. Luke's Hospital-Warren Campus. He received his medical degree from Icahn School of Medicine at Mount Sinai and has been in practice for more than 20 years.
Black blood or discharge can suggest implantation bleeding, but it can have other explanations, too. Here's when it might be a cause for concern.
If you notice a large amount of black blood along with other signs of potential miscarriage, you should contact your doctor immediately.