How long does implantation bleeding last?

one or two days...
Implantation bleeding is the bleeding that’s caused when the embryo attaches itself to the lining of the uterus. Contrary to common belief, implantation bleeding doesn’t start immediately after the egg is fertilized. 

Most women who experience implantation bleeding see light spotting or bleeding around six to twelve days after egg-fertilization.


In most cases, there are no severe symptoms of implantation bleeding. The blood may be lighter in color, and there can be mild cramping. Many women just have traces of blood in their vaginal discharge.

How long does implantation bleeding last?

Typically, implantation bleeding lasts anywhere between 24 and 48 hours, although it may last longer in some cases (up to a week after implantation). It is considered to be one of the common and early signs of pregnancy and should subside on its own. Unless you have extensive bleeding, this doesn’t require medical attention. If you have been trying to get pregnant, you may want to speak to your doctor. Please note that implantation bleeding doesn’t cause any harm for the embryo.

Points to note
  • Implantation bleeding starts after 6-7 days of egg fertilization
  • Should stop within 11-12 days from the fertilization.
  • Doesn’t require any treatment in most cases.