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  1. Placenta: Overview, Anatomy, Function & Complications - Cleveland Clinic

  2. Placenta: How it works, what's normal - Mayo Clinic

  3. 6 Functions Of Placenta During Pregnancy And Placental …

  4. The placenta: a multifaceted, transient organ - PMC

  5. Placenta: anatomy and function - Kenhub

  6. Placenta – Definition, Structure, Types, Functions

  7. Placenta: Its Role and Complications - Verywell Health

  8. Placenta - Wikipedia

  9. Embryology, Placenta - StatPearls - NCBI Bookshelf

  10. Placenta: Structure and Functions (Explained with Diagram)