File:Placenta abnormalities.jpg

From Embryology

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Placenta Implantation Abnormalities

Links: Placenta - Abnormalities

placenta accreta

  • Abnormal adherence, with absence of decidua basalis.
  • The incidence of placenta accreta also significantly increases in women with previous cesarean section compared to those without a prior surgical delivery.

placenta increta

  • Occurs when the placenta attaches deep into the uterine wall and penetrates into the uterine muscle, but does not penetrate the uterine serosa.
  • Placenta increta accounts for approximately 15-17% of all cases.

placenta percreta

  • Placental villi penetrate myometrium and through to uterine serosa.



Cite this page: Hill, M.A. (2024, June 12) Embryology Placenta abnormalities.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Placenta_abnormalities.jpg

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G

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