Placenta accreta

Summary of Placenta accreta
Placenta accreta occurs when all or part of the placenta attaches abnormally to the myometrium (the muscular layer of the uterine wall). Three grades of abnormal placental attachment are defined according to the depth of invasion: Accreta — chorionic villi attach to the myometrium, rather than being restricted within the decidua basalis. Increta — chorionic villi invade into the myometrium. Percreta — chorionic villi invade through the myometrium.

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Pathology

Reproductive system

Male and female reproductive system disorders
Male reproductive system disorders
Female reproductive system disorders
Reproductive system pathology review

Assessments
Placenta accreta

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High Yield Notes
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Placenta accreta

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Placenta accreta often requires as definitive treatment.

Questions

USMLE® Step 1 style questions USMLE

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USMLE® Step 2 style questions USMLE

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A 34-year-old, gravida 4, para 3, woman comes to the clinic for a 36-week antenatal visit. She has had three prior Cesarean sections. She is healthy and takes no medications other than prenatal vitamins. Family history is noncontributory. Her pregnancy has been uncomplicated and there have been no abnormalities on routine screening. Ultrasound shows that her placenta is "posterior and clear of the os." Which of the following conditions is this patient at greatest risk of having? 

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