Taking Drugs While Pregnant

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Placenta Previa

Author: Drugs Expert
24.04.2008

Placenta previa is the implantation of the placenta where it at least partially covers the cervix. It occurs in about one in 250 pregnancies.

Types of Placenta Previa
There are four types of placenta previa:

  • Complete previa is where the cervix is completely covered by the placenta.
  • Partial previa is where a portion of the cervix is covered by the placenta.
  • Marginal previa is where the placenta extends to the edge of the cervix, without covering it.
  • Low-lying previa is where the placenta is implanted in the lower uterine area, but not touching the cervixdge of the cervix.

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