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Doctor insights on: Does Placenta Previa Cause C Section Complications

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Placenta previa is a must have c section, is this true?

Placenta previa is a must have c section, is this true?

Yes: In almost all cases, some cases though with partial type or just the tip of placenta reaching the cervix and go into labor proceed without that horrendous bleeding, very rare, in these days with all the advances in diagnostics, medications, anesthesia and surgery, no one would take chances, for the safety of the mother and baby, ...Read more

Dr. James Lin
146 Doctors shared insights

Placenta Blocks Cervix (Definition)

A previa is when a placenta entirely covers the opening of the cervix into the uterus (internal os). It is a reason for a cesarean section and if bleeding occurs and stops it may be a ...Read more


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Diagnosed with marginal placenta previa at 23 wk. Now 26 wk. MD said I will need a c section. Is there any chance the previa will still resolve?

Perhaps: If a previa is present at the time of labor then a c section will be needed. Typically marginal previas are monitored by serial ultrasounds. As the uterus grows the placenta may be pulled safely away from the cervix. Ask your doctor if other sonograms will be done ...Read more

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How dangerous is C-section with placenta previa? I have heard there is a high risk of bleeding out!?

How dangerous is C-section with placenta previa? I have heard there is a high risk of bleeding out!?

Increased risk.: What you have heard is correct; exsanguination can occur in undiagnosed accreta/previa in small hospitals with inexperienced surgeon (s). Seek expert care if uou have placenta previa (including maternal-fetal medicine ultrasound and consultation), avoid all nsaids/sex/travel/unnecessary car rides/heavy lifting/straining/constipation and deliver in a large, tertiary care hospital [blood bank/icu]. ...Read more

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Can full placenta previa actually resolve itself if diagnosed at around 12 weeks? It'd my 2nd preg& I am scheduled for c-section anyway.

Can full placenta previa actually resolve itself if diagnosed at around 12 weeks? It'd my 2nd preg& I am scheduled for c-section anyway.

Yes, >90% of time.: I don't even look at the placenta before 14-16 weeks because it is frequently previa without any significance clinically. If it covers the internal cervical os and overlaps by at least 2.5 cm in all directions (one inch) at the anatomy scan (18-22 weeks), then it shall persist as previa at delivery with 99% certainty. If it is >2 cm away from the os at term vaginal delivery is feasible 63% of time. ...Read more

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Doctor said that my placenta is attached near to my cervix. Is that means I can have placenta previa? Is that means c-section? I'm only 5months.

Doctor said that my placenta is attached near to my cervix. Is that means I can have placenta previa? Is that means c-section? I'm only 5months.

Too soon: At 5 months, it's too soon to say if your placenta will still be attached near your cervix when you are near to term. Sometimes, when the placenta is adjacent to or bordering the cervix at 5 months, the uterus grows and the placenta is far enough away at the time of delivery from the cervix that you can safely have a vaginal delivery! ...Read more

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Anterior placenta previa with placental lake seen at 28w ultrasound, 2 D&Cs & no c-section hx. Any risk of placenta accreta? Best time to deliver?

Placenta Previa: Placenta previa occurs when the placenta is covering the opening of the cervix. Vaginal delivery is possible in mild cases of previa. Placenta accreta is a different condition where the placenta gets "stuck" to the uterus. While the risk of accreta increases when you have previa, that risk is low if you have never had a c-section before. Follow-up with your obstetrician regarding delivery dates. ...Read more

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I had a 2nd csection 10 weeks ago (previous was 2 years ago). During surgery they found I had placenta previa & had to cut through the placenta.  i h?

What is the question: I do not know what your situation was, but almost always placenta previa should be diagnosed before you had the csection by an ultrasound, all of my pts get at least 4 ultrasounds, the last one being 34-36 weeks which also checks the location of the placenta, because if u had a previous csection a placenta previa can often cause a placenat accreta which can cause big problems, glad u did ok. ...Read more

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Had a c-section with my first now I'm worried about having Placenta previa with my second future pregnancy what are the chances of having PP?

OB sono: There is always a chance for Placenta Previa but follow with your OB for ultrasound as this is still not typical ...Read more

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Having a c-section for placenta previa. Was told to get to hospital 3 hours ahead to get prep for surgery. What will they do? What takes so long?

Having a c-section for placenta previa. Was told to get to hospital 3 hours ahead to get prep for surgery. What will they do? What takes so long?

It always takes time: Any planned surgery takes time: there's paperwork, a pre-anesthesia evaluation, a monitor strip of your baby's heartbeat, prepping the site of surgery, etc. In addition, you must remember that with ob, you may be at the "mercy" of other situations with greater urgency. For example, if the need for an emergency c-section arises for another patient, they'll go first - as is appropriate. Good luck. ...Read more

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I am 29 weeks pregnant with complete placenta previa. My baby is in a transverse position. Will this complicate the c-section?

I am 29 weeks pregnant with complete placenta previa. My baby is in a transverse position. Will this complicate the c-section?

Not much: Ob/Gyns are trained for both a transverse lie and a complete placenta previa at the time of c/section. Extra care and some additional maneuvers are needed to deliver the baby but this is not a big deal usually. However, if you have had a previous c/section and now have a previa much more major complications can arise if the placenta is over your old scar. Best wishes! ...Read more

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I am 29 weeks pregnant with complete placenta previa. My baby is in a transverse position. Will this complicate the c-section?

I am 29 weeks pregnant with complete placenta previa. My baby is in a transverse position. Will this complicate the c-section?

No: Most obstetricians are very experienced in dealing with these kinds of situations. The transverse lie doesn't make doing a c-section any more difficult. ...Read more

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Hello I have found out that I have complete placenta previa I'm 14 weeks pregnant is there any chance this will go away I don't want a c section?

Placenta previa: Yes this can go away. Placenta previa is the condition in pregnancy when the placenta lies over the cervix. It may be present in early pregnancy but can move away from the cervix later o. Repeat ultrasounds closer to delivery will check to see where the placenta is. Bleeding at any time during pregnancy is worrisome, and if it happens notify your doc right away. ...Read more

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How likely is placenta acretta when diagnosed with partial placenta previa at 14 weeks and had a c-section with my 1st pregnancy?

Depends: Depends on wether the placenta is anterior. . . On the side toward the scar. . . Or posterior. If anterior, the risk of accreta is about 5%. If posterior the risk will be less. ...Read more

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I'm O+, my husband is AB+. What's the likelihood of our baby having neonatal anemia? High risk pregnancy w/ maternal anemia and planned c-section cutting through anterior placenta previa.

I'm O+, my husband is AB+. What's the likelihood of our baby having neonatal anemia? High risk pregnancy w/ maternal anemia and planned c-section cutting through anterior placenta previa.

Possible: There is some possibility of an A/O or B/O reaction with jaundice and hemolytic disease but that part of this is usually minor and easy to manage. An OB with quick hands can limit the other issue. I would try to relax and figure out what your life will be like with 3 kids running around. ...Read more

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Why does placenta previa cause cramping and bleeding?

Why does placenta previa cause cramping and bleeding?

Placenta previa: Usually bleeding associated with placenta previa is painless. Rarely, if there is separation of placenta and blood is collected retroplacentally, it can be painful. ...Read more

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What is the ideal time for cesarean section in women with central placenta previa?

What is the ideal time for cesarean section in women with central placenta previa?

After fetal maturity: The ideal time is when the baby is lung mature and the MD is confident of your gestation age. ...Read more

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Do most woman survive c sections with placenta previa? I am 32 weeks with a complete previa and very scared baby/i won't make it through the surgery?

Do most woman survive c sections with placenta previa? I am 32 weeks with a complete previa and very scared baby/i won't make it through the surgery?

See below: This operation does carry some risk to you and the baby. The surgical and anesthesia team will be prepared for these eventualities. You need to be at a hospital that has a high-risk OB unit and can manage this issue. ...Read more

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What are the complications of placenta previa? What risks go along with placenta previa? How serious is the condition? .

What are the complications of placenta previa? What risks go along with placenta previa? How serious is the condition? .

Bleeding risk.: Placenta previa means that the birth canal is blocked by the afterbirth. This can cause severe vaginal bleeding that can threaten the maternal and fetal life. It carries a risk of placenta accreta and hysterectomy with it and must be managed in a large hospital with a blood bank and perinatal anesthesiology round the clock. It is a serious pregnancy complication! Seek mfm care. ...Read more

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What are the complications of placenta previa? What risks go along with placenta previa? How serious is the condition? .

What are the complications of placenta previa? What risks go along with placenta previa? How serious is the condition? .

Bleeding risk.: Placenta previa means that the birth canal is blocked by the afterbirth. This can cause severe vaginal bleeding that can threaten the maternal and fetal life. It carries a risk of placenta accreta and hysterectomy with it and must be managed in a large hospital with a blood bank and perinatal anesthesiology round the clock. It is a serious pregnancy complication! Seek mfm care. ...Read more

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How does placenta previa cause preterm delivery?

Bleeding and Cntrxns: Previa: Placenta overlies the cervix/birth canal. Gr 1 means placenta is close, Gr 4 means it's directly overlying/blocking the baby's exit -- high chance of preterm labor & bleeding; you'd need a C/S at 36-37wks. More common in woman w/ hx of C/S & smoking. Not much you can do but wait. If dx'ed early, the uterus still grows/stretches and a placenta can migrate away even in 3rd tri. Follow w/ US. ...Read more

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Can marginal placenta previa cause placental abruption? What are the statistics on marginal previa moving after 20 weeks?

Cervix and placenta: Will move apart
as a balloon expands, (uterus), points on the balloon move apart, this will likely occur as the uterus grows, if no bleeding, little risk of harm. Ask your doctor to be sure.
Previa can create a type of partial abruption, along the edge of the attachment. ...Read more

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2nd csection 10 weeks ago where had placenta previa & had to cut through after doing abdominal exercises today my scar started burning on right side.?

2nd csection 10 weeks ago where had placenta previa & had to cut through after doing abdominal exercises today my scar started burning on right side.?

Probably no problem: The abdominal muscles may burn with exercise for a while after surgery. If not too uncomfortable you may continue to exercise. I tell patients they may begin abdominal exercises 6 to 8 weeks after a cesarean section. If you have redness, drainage, or bulging at the incision site call your obstetrician. ...Read more

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I am 25 weeks pregnant with complete placenta previa my doctor said it won t move and I will need a csection how likely is it that I will need a blood?

I am 25 weeks pregnant with complete placenta previa my doctor said it won t move and I will need a csection how likely is it that I will need a blood?

Possible: It depends on how much you bleed during pregnancy and at the time of delivery. I f you had a previous cesarean section, your risk of having placenta accreta (placenta invading into the uterine wall) is increased as well as that of blood transfusion. Talk to your doctor. ...Read more

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Had inc. Placenta previa at 16 weeks, moved up around 21 wks (3cm+) now at almost 32 wks u/s showing 1.5cm fr cervix. Why did it move down again?

Had inc. Placenta previa at 16 weeks, moved up around 21 wks (3cm+) now at almost 32 wks u/s showing 1.5cm fr cervix. Why did it move down again?

Doesn’t move: The placenta does not actually move. It is attached to the uterus. As the uterus grows the placenta can be pulled safely away from the cervix. In some cases it does not. It just depends on where the placenta is attached. In general it needs to be more than 2 cm from the cervix to permit vaginal delivery ...Read more

Placenta (Definition)

The placenta is an organ that connects the developing fetus to the uterine wall to allow nutrient uptake, waste elimination, and gas exchange via ...Read more