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Doctor insights on: Can Placenta Previa Cause Miscarriage

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If I have been diagnosed with placenta previa, at 3 months and miscarried a vanishing twin, will marijuana worsen the placenta previa?

If I have been diagnosed with placenta previa, at 3 months and miscarried a vanishing twin, will marijuana worsen the placenta previa?

No: It will not worse in the placenta previa but it can have extremely harmful effects of otherwise. You should not be doing this at all during pregnancy. ...Read more

Dr. Seth Derman
512 Doctors shared insights

Miscarriage (Definition)

A "lay" term for early pregnancy loss usually prior to the second trimester. Physician's use the term "spontaneous abortion" to describe these events, but the word "abortion" in lay use has come to connote only ...Read more


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How does placenta previa cause preterm delivery?

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

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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With anterior complete placenta previa and 2 bleeds (1 warning, 1 massive) what are the chances of the placenta shifting with the uterus after 24wks? And possible cause of constant dull aches and jolts in pelvis area. Also have short CX

With anterior complete placenta previa and 2 bleeds (1 warning, 1 massive) what are the chances of the placenta shifting with the uterus after 24wks? And possible cause of constant dull aches and jolts in pelvis area. Also have short CX

MFM evaluation: Consider asking for a referral to a maternal fetal medicine specialist. Your situation sounds quite high risk especially when you use phrases like massive bleeding. Your doctor may want to consider keeping you in the hospital now that the baby has reached viability. The chances of previa resolution will vary depending on the exact location and will vary from person to person ...Read more

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Why is there bleeding with placenta previa?

Why is there bleeding with placenta previa?

Leaky vessels: 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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Could placenta previa lead to placenta percreta?

PP can be percreta: A placenta prévia can invade the uterine and cervical tissues and be associated with a placenta increta and placenta percreta. ...Read more

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Why is the bleeding painless from placenta previa?

Why is the bleeding painless from placenta previa?

No contractions.: Because the bleeding does not involve the contractile part of the uterus, only the placenta over the cervix. The placenta is devoid of innervation, therefore the mother does not experience pain in bleeding previa unless preterm labor is also present. ...Read more

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Can you deliver vaginally if placenta previa corrects itself? C

Can you deliver vaginally if placenta previa corrects itself? C

Yes it is possible: If it corrects itself completely you should be able to deliver vaginally. Check with your ob. ...Read more

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I have complete placenta previa at 33weeks and sufering from constipation?

I have complete placenta previa at 33weeks and sufering from constipation?

Take colace (docusate sodium).: Straining for defecation, heavy lifting, sexual intercourse can all trigger catastrophic bleeding in cases of placenta previa. Take colace (docusate sodium) regularly (100 mg 2-3 times daily) to avoid constipation, drink plenty of water, avoid all exercise or intercourse. Stay close to your maternity hospital and go to the er via ambulance as soon as you experience any vaginal bleeding. ...Read more

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Can you have sex with a placenta previa?

Can you have sex with a placenta previa?

Be cautious: No! A placenta previa can be dangerous and result in heavy bleeding. Anything that could disturb the previa should be avoided, like sex, fingers, really anything in the vagina. A previa can resolve over many weeks, so make sure your doctor is checking to see if it is still there. Until then, I would wait.

Good luck!

Dr S ...Read more

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Can placenta previa be corrected with bed rest?

Can placenta previa be corrected with bed rest?

Not really.: If the diagnosis of placenta previa is made before 20 weeks, some women experience resolution of the morbid placental implantation with time - bedrest is not correcting the problem. As the uterus and the fetus grow, they pull on the placenta and stretch the lower uterine segment to "move" the placenta out of the way and allow for vaginal delivery at term. ...Read more

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If I have placenta previa, will I have bed rest?

Not necessarily.: Your OB may recommend abstinence from sex, exercise, heavy lifting and all nsaids/ssris. Bed rest has no proven benefit but is commonly recommended in cases of preterm labor, bleeding previa or both. ...Read more

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If I have placenta previa, will I be put on bed rest?

No: Placenta previa includes partial or complete coverage of the cervix by the placenta. Bedrest is not necessary unless there is vaginal bleeding or persistent preterm labor. If vaginal bleeding is experienced, you will often be evaluated in the hospital with ultrasound and eventually released home to bedrest for awhile. ...Read more

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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

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Complete placenta previa when did you get put on bed rest?

Depends...: There is no hard and fast rule about having bed rest with placenta previa. It depends on your symptoms such as bleeding. Your ob/gyn will advise. Best wishes! ...Read more

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How can I cope with placenta previa when not at the doctor?

How can I cope with placenta previa when not at the doctor?

No way: You have to have a licensed OB doctor. It can be life-threatening to you and your baby not having prenatal care with such condition. You can literally bleed to death. Or your baby would be suffering from not getting enough blood and be delivered dead. ...Read more

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I have placenta previa. How soon can I go into labor and will my baby be safe?

I have placenta previa. How soon can I go into labor and will my baby be safe?

Cesarean by 36-37w.: Placenta previa can lead to preterm labor, so I would recommend prelabor (i.e. Shceuled) cesarean section by 36-37 weeks. If placenta accreta is also suspected, delivery should be by 34-35 weeks with Betamethasone administration and immediate puerperal hysterectomy without attempt at placental delivery! All this shoudl be done in a large hospital. The infant should do well regardless. ...Read more

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I have placenta previa. Just in case it does not block the cervix, can I still deliver vaginally?

I have placenta previa. Just in case it does not block the cervix, can I still deliver vaginally?

Yes: The definition of placenta pre via is that the placenta covers the cervix. Often, as the pregnancy progresses, the placenta moves away from the cervix and vaginal delivery can occur. ...Read more

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My ob says that having posterior marginal placenta previa is good news rather than it being anterior. Is that true?

Yes: Placenta previa is never good news, but the cesarean delivery is easier if we don't need to deliver through the placenta. An anterior placenta previa for someone with a previous cesarean section can be a very difficult delivery.
You will want to recheck the placenta position closer to term if this was seen on an early sonogram. ...Read more

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Will vaginal spotting/bleeding stop placenta previa resolves? Does recurrent bleeding in 2nd tr indicate that placenta previa is unlikely to resolve?

Will vaginal spotting/bleeding stop placenta previa resolves? Does recurrent bleeding in 2nd tr indicate that placenta previa is unlikely to resolve?

2 questions here: Answer to number one, not always. Answer number 2, not always. You will need periodic ultrasound monitoring to follow this issue and, most importantly, if you have significant bleeding, pain, or preterm labor get to hospital right away. Don't plan any trips. You need to be very careful or this may threaten the lives of both you and your baby. Follow your OBs advice and make sure you follow up. ...Read more

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Wife is 19wks in preg. 1st kid. 17wks diagnosed w full placenta previa. What r d chances of placenta moving up? And can she fly a 2hr flight 27wks in?

Wife is 19wks in preg. 1st kid. 17wks diagnosed w full placenta previa. What r d chances of placenta moving up? And can she fly a 2hr flight 27wks in?

Discuss with OB.: Flying is ill advised during pregnancy with risk for serious bleeding as is the risk with placenta previa. It's a big risk, should anything happen, you won't be able to land in time to save you or the baby in the event of bleeding. Repeat US will help determine if the placenta changes position, but an abundance of caution is best in this case. ...Read more

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What is a placenta previa?

What is a placenta previa?

Blocks birth canal.: Placenta previa occurs when it implants over the maternal cervix of the uterus, thereby blocking the birth canal and precluding safe vaginal delivery. This is a potentially life-threatening condition that is best managed by experienced obstetrician/maternal-fetal medicine specialist at a large tertiary hospital with blood bank and ICU availability. ...Read more

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Is placenta previa hereditary?

Is placenta previa hereditary?

No: Placenta previa is an obstetric complication in which the placenta is inserted partially or wholly in lower uterine segment. It can sometimes occur in the later part of the first trimester, but usually during the second or third. It is a leading cause of antepartum haemorrhage (vaginal bleeding). It affects approximately 0.4-0.5% of all labours. ...Read more

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What are the tests for placenta previa?

What are the tests for placenta previa?

Ultrasound: Ultrasound is the main way to follow a previa. If your previa resolves with time, your labor should be the same as anyone else's. If it doesn't, tests for anemia, clotting factors, and blood availabilty are tests that are performed to be prepared for any emergency at delivery. Most patients are at bed rest in their 2nd trimester and pelvic rest until delivery. ...Read more

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What can you tell me about placenta previa?

Attached over cervix: Placenta previa is when the placenta attaches low inside the uterus, near theopening of the birth canal/cervix. This can cause problems during the birth process because when the cervix starts dilating it could tear the blood vessels in the placenta, depriving the baby of blood and making mom lose too much blood. To be safe, many ob's recommend a c-section instead of vaginal birth. ...Read more

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What is placenta previa marginalis grade 2?

Placenta previa: Normally, the position of the placenta is near the top of the womb. In some cases however, the placenta stays in the lower portion (part) of the womb, and either partially or completely covers the cervix (neck of the womb). The described grading is when the placenta reaches the cervix, but doesn't cover it. ...Read more

Dr. Jerome Zacks
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


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