Natural killer cells (NK cells)

Natural killer cells (NK cells)

Cells that are part of the immune system that aim to destroy any foreign or harmful bodies, usually in response to infected cells or tumor formation. Unfortunately, for some people, some early research has shown that these cells may also be at play when it comes to repeat implantation failure or miscarriage. Essentially, they treat an embryo as a foreign body or parasite and go into attack mode. Research about natural killer cells and fertility has been controversial, but talk to your doctor if you think this or autoimmune response may be playing a role in your fertility.

Related Terms:

macrophages, MC, miscarriage

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