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How big is a placenta?

Published in Placenta Size 1 min read

The placenta, once fully developed, is approximately 20 cm in diameter and 3 cm thick.

Placenta Size Details

The placenta's size and development are closely linked to the pregnancy's progression. Here's a breakdown:

  • Early Development: The placenta starts forming during the first three months of pregnancy.
  • Growth Phase: After the fourth month, the placenta grows in tandem with the uterus.
  • Full Size: Once fully formed, the placenta resembles a spongy disc, measuring about 20 cm in diameter and 3 cm in thickness.
Dimension Size
Diameter Approximately 20 cm
Thickness Approximately 3 cm

The information provided above is based on the reference.

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