Re: Placenta implantation at c-section scar

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• Maybe in reply to: Dianne: "Placenta implantation at c-section scar"

> My ultrasound at 20 weeks strongly suggested that my placenta is
> attached at or very near to my previous c-section scar. My low
> transverse c-section was 7 yrs ago, and I have since had one vaginal
> delivery (2 1/2 yrs ago), and one S&C for a miscarriage (10 months ago).
> I also showed a low-lying placenta (possibly slightly "marginal placenta
> previa"). I am planning to have a c-section for this pregnancy (my vag
> birth resulted in a brachial plexus injury, NOT doing that again.)
>
> I have read that placenta implantation on a scar puts me a high risk for
> placenta accretia. I cannot find any good statistics on my risks. Here
> are my questions--
>
> 1. How often does an accretia result in a hysterectomy?

Not sure of the statistics, varies depending upon the individual / hospital protocol.

> 2. Does the age of my c-section scar reduce my risk for accretia?
> Probably not, again not very sure, interesting question.

> 3. If the placenta is on my previous scar, will a c-section risk
> cutting the placenta during delivery?
>

Baby is delivered either by cutting through the low lying placenta or by separating ( if no accreta) along its site until the amniotic membrane is reached. Again individual preference.

> 4. If the placenta has implanted on my low transverse c-section scar,
> is it possible that the body of my placenta will be able to migrate out
> of the "low lying" category? Thanks!

You are at 20 weeks now , there is a likelihood for its migration. Follow up with scan possibly high resolution one to look for any invasion. But for sure diagnosis of accreta,one can get a MRI done at a later stage if possible ( only advantage being anticipation or elective CS hysterectomy with low maternal morbidity). >

Please update us from time to time.

Dr.Amit Sengupta, MD; Ph.D. This is for educational purpose only

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