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Specialized cells maintain healthy pregnancy by teaching the mother's immune system not to attack developing fetus

By Eva Gillis-Buck, Resident Physician, University of California, San Francisco
James Gardner, Assistant Professor in Transplant Surgery, University of California, San Francisco
Tippi MacKenzie, Professor of Surgery, University of California, San Francisco

How the immune system learns not to attack a developing fetus and placenta is important to understanding pregnancy and its common complications, like miscarriage.

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