Placenta previa occurs when the implantation of the placenta at least partially covers the cervix. This is believed to affect approximately one in every 200 pregnancies.

Related categories 2

Placenta Previa
Pathophysiology, symptoms, diagnosis, treatment and follow-up.
Placenta Previa (About.com)
Information for patients.
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Last update:
January 2, 2007 at 16:31:11 UTC
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