A–Z Glossary

Premature placental calcification

Significant placental calcification seen before 36 weeks of pregnancy, which may call for closer monitoring.

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Placental calcification and aging

Placental calcification and aging

What placental calcification means Placental calcification refers to deposits of mineral salts, mainly calcium-phosphate, within placental tissue. On ultrasound, these deposits can appear as bright, echogenic areas or lines, sometimes described in relation to placental “grading.” At the microscopic level, calcification may be found in areas of trophoblastic tissue, fibrin deposition, or regions where placental […]