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Doctor insights on: Can I Get Pregnant Or Have Surgery While Taking Warfarin

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Can I get pregnant or have surgery while taking warfarin?

Can I get pregnant or have surgery while taking warfarin?

Pregnant not advised: Warfarin is known to cause birth defects (fetal warfarin syndrome) if used in the first trimester, and neurological defects if used in the second and third trimesters. Women on warfarin should use reliable birth control. If someone taking warfarin wants to become pregnant, she should consult with her OB doctor before pregnancy to discuss alternate medications. ...Read more

Dr. Jeffrey Wint
4 doctors shared insights

Pregnancy (Definition)

When your due date arrives, you will be more than ready to have your baby! Most women deliver the baby somewhere between 37 and 42 weeks. According to the American College of Obstetricians and Gynecologists, only 5% of babies arrive on the exact due date. Approximately 7% of babies are not delivered by 42 weeks, and when that happens, it is referred to ...Read more


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If you get appendicitis while on Coumadin (warfarin) can they still do surgery? Is the surgery more risky from the chance of bleeding?

If you get appendicitis while on Coumadin (warfarin) can they still do surgery? Is the surgery more risky from the chance of bleeding?

Surgery can be done: In cases in which patients are anticoagulated with warfarin and need emergent surgery fresh frozen plasma transfusion and vitamin K can be used to reverse the anticoagulation effect by warfarin and decrease bleeding during and after surgery resulting from warfarin treatment. Every time there is a higher chance of bleeding there is a higher chance of adverse events and risk to the patient. ...Read more

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Can a man still get a woman pregnant while on warfarin. I've been trying for 5 years and no baby.

Can a man still get a woman pregnant while on warfarin. I've been trying for 5 years and no baby.

Yes: Warfarin shouldn't be a problem but the reason for which you are taking the warfarin might be. Ask your doctor. ...Read more

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How long should I wait to get pregnant after stopping warfarin use?

How long should I wait to get pregnant after stopping warfarin use?

Immediately: You don't have to wait it only lasts FOR A WEAK BUT no long term effects on baby after stopping. ...Read more

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Which type of specialist would I see if I've had 2uedvts and want to get pregnant? On warfarin for life, need prescription for heparin.

Which type of specialist would I see if I've had 2uedvts and want to get pregnant? On warfarin for life, need prescription for heparin.

A perinatalogist. : A perinatalogist takes care of women with very high risk pregnancies which is what yours would be. You also want the doctor taking care of your warfarin involved. It would be helpful to do a consult visit with a perinatalogist prior to pregnancy to make sure you are informed of the risks and have a plan in place for when you get pregnant. Good luck. ...Read more

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Could I stop warfarin for 2 weeks each cycle when ttc and start lmwh if I get pregnant? Surely a DVT couldn't form again in such a short time?

Could I stop warfarin for 2 weeks each cycle when ttc and start lmwh if I get pregnant? Surely a DVT couldn't form again in such a short time?

NO!: You are playing with danger by changing your Coumadin (warfarin) and yes DVT can form in a short time. Each day airline passengers flying from the us to europe exit the air craft with DVT formed during flight. Some require hospitalization. Coumadin (warfarin) requires certain range levels to be effective; some patients require days of therapy to attain therapeutic levels. Discuss with your physician before changes. ...Read more

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Warfarin is teratogenic to a fetus. So why would my thrombosis specialist tell me to switch to lmwh only when I get pregnant and not before? Confused!

Warfarin is teratogenic to a fetus. So why would my thrombosis specialist tell me to switch to lmwh only when I get pregnant and not before? Confused!

Days of exposure: I'm assuming that your doctor knows you will take a pregnancy test as soon as you miss a period and that your periods are regular. There's no harm in switching to lmwh before conception, if you feel strongly, you can suggest that. The 2012 accp guidelines only 'weakly' suggest switch from warfarin --> lmwh after conception. There's absolutely no problem on lmwh while trying to conceive. ...Read more

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My thrombosis specialist is having me switch from warfarin to lmwh as soon as I get a positive pregnancy test. At 4 weeks, is this ok?

Yes!: Warfarin is not good to take during pregnancy as it can cause birthdefects, lmwh does not have this problem and can be safely used during pregnancy. I would strongly suggest that you seek an opinion from an OB or highrisk pregnancy doctor to be sure you are doing all that they would recommend to have a healthy pregnancy. ...Read more

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I have a coagulation defect that caused dvt. After using coumadin, (warfarin) could I get pregnant without complications?

I have a coagulation defect that caused dvt. After using coumadin, (warfarin) could I get pregnant without complications?

You should consult with your physician to change ot another medication before bcoming pregnant.: Pregnancy is a time when there is greater risk for blood clots, especially around the time of delivery. If you have a history of a blood clot with risk factors for getting another blood clot in the future, your doctor and you should discuss safe medications to use before you become pregnant. Coumadin (trade name for warfarin) crosses the placenta and is associated with what is described as the warfarin embryopathy, which includes facial structure abnormalities, effects on the development of the bones of the arms and legs, poor growth, prematurity and mental retardation.

Fortunately, there are medications that are considered safe during pregnancy and which do not cross the placenta, these include unfractionated Heparin and low molecular weight heparin, both of which are protective against blood clot formation. They appear to be safe for the fetus after extensive use during pregnancy. Your doctor can help arrange a switch from Coumadin to one of these medications and still keep you and your baby safe for pregnancy. ...Read more

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I have a coagulation problem that caused dvt. After Coumadin (warfarin) therapy, can I get pregnant without complications?

Dvt: Interesting question Most likely when pregnant you may be placed on heparin used currently as lovenox as women with hypercoagluability are more prone to potential miscarriage
Discuss this with your ob and hematologist ...Read more

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I have a coagulation defect that caused dvt. After Coumadin (warfarin) therapy, will there be any complications if I get pregnant?

I have a coagulation defect that caused dvt. After Coumadin (warfarin) therapy, will there be any complications if I get pregnant?

Requires extra care!: You are probably referring to a "thrombophilia" — a condition which makes a person more likely to form blood clots in the veins of the legs or pelvis. These can break free and travel to the lungs where they are potentially lethal. Women who have thrombophilias can have healthy pregnancies, but require special care. You may need to use Heparin during pregnancy and will need a hematologist's care! ...Read more

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What to do if I have a coagulation defect that caused dvt. After Coumadin (warfarin) therapy, can I get pregnant without complications?

What to do if I have a coagulation defect that caused dvt. After Coumadin (warfarin) therapy, can I get pregnant without complications?

Complicated issue: You should not be on Coumadin (warfarin) if you are trying to be pregnant. Pregnancy increases the risk of clots and you may need to be Heparin type anticoagulant during pregnancy. It is not an issue for self treatment and you should discuss this issue with your doctor before you plan to get pregnant. ...Read more

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How soon after an upper extremity DVT diagnosis do I have to wait to switch to lmwh from warfarin to get pregnant?

How soon after an upper extremity DVT diagnosis do I have to wait to switch to lmwh from warfarin to get pregnant?

Find the cause: The issues are recurrence and life threatening clotting problems and pulmonary embolism.
Full evaluation and study of coagulation will require being off the meds which generally is for six months.
Then depending on status, risks your obgyn can guide you. ...Read more

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Can I have root canal surgery while on coumadin (warfarin)?

Can I have root canal surgery while on coumadin (warfarin)?

Depends: The use of Coumadin (warfarin) when properly controlled (inr -2.0-2.5) should not contraindicate either surgical or non-surgical root canal procedures. Careful monitoring blood loss is critical during the procedure. Consult with an experienced endodontist or oral surgeon to evaluate the specifics of your case. Good luck. ...Read more

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My Father has been told to stop taking his Coumadin (warfarin) before his surgery his is now very tired is this common or could it be another reason. He is 79.

Not likely connected: Coumadin (warfarin) does not interfere with energy levels.IT can cause a problem if there is bleeding, but in general your father's symptoms are unlikely to be related to stopping Coumadin (warfarin). More likely related to the reason for surgery ...Read more

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I had a surgery from heart outside of the country and am using warfarin and my INR has to be checked frequently. I have no insurance any recommend?

Yes: You could go to community clinic in your area to get inr checked although if unsuccessful you may have to go to er to get checked to at least make sure your inr is within range 2.0-3.0. In any case, you should be following with a doctor somewhere after heart surgery preferably a cardio thoracic surgeon and a cardiologist. ...Read more

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What will occur to my Coumadin (warfarin) therapy if I need dental surgery?

What will occur to my Coumadin (warfarin) therapy if I need dental surgery?

Probably nothing: Your Coumadin (warfarin) regimen might be altered before the surgery or there can be no changes. At the present time, there appears to be a shift towards not altering the Coumadin (warfarin) levels. If you need dental surgery, such as an extraction, then the oral surgeon does have the materials to help stop the bleeding. Discuss any concerns with your physician and oral surgeon. ...Read more

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What would happen if someone on warfarin for something they can not discontinue(afib, artificial valve, etc) needed major surgery? Can you even do it?

What would happen if someone on warfarin for something they can not discontinue(afib, artificial valve, etc) needed major surgery? Can you even do it?

Yes: This should be done in consultation with your doctor. Warfarin can be suspended for surgery. If need be coverage may induced with short acting anti-coagulant like heparin. ...Read more

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Is it possible to become immune to the effects of cumadin/warfarin? I have been taking it since heart surgery and the dose has steadily increased.

Is it possible to become immune to the effects of cumadin/warfarin? I have been taking it since heart surgery and the dose has steadily increased.

Diet related: We often see patient's diets changing after they recover from surgery. Increased amounts of vitamin k intake create a need for higher Coumadin (warfarin) dosing. ...Read more

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I had heart surgery (CABG+MVR) in Oct 2013. Taking warfarin. Current INR 2.1. How long should I monitor INR, take warfarin and avoid green leafy vegs?

I had heart surgery (CABG+MVR) in Oct 2013. Taking warfarin. Current INR 2.1. How long should I monitor INR, take warfarin and avoid green leafy vegs?

MVR: Mvr could be repair or replacement
that's why we try to avoid abbreviations
if repair, may be a few months.
Depending on replacement choice could be 3 months or if a mechanical valve could be for life! ...Read more

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Is there anything I can do to help dissolve a blood clot in my portal vein? I am taking warfarin, allergic to heparin, & clot is delaying my surgery.

Is there anything I can do to help dissolve a blood clot in my portal vein?  I am taking warfarin, allergic to heparin, & clot is delaying my surgery.

Not in chronic: Usually after few weeks of portal vein thrombosis there is nothing to do except taking warfarin. In acute cases within first two weeks a physician can place intra arterial catheter in your mesenteric (intestinal) artery and infuse t-pa (clot buster) and that may help but really it is not the standard of care in most places in the country. ...Read more

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Can I have cataract surgery if I am using blood thinners like Coumadin (warfarin) for another condition?

Can I have cataract surgery if I am using blood thinners like Coumadin (warfarin) for another condition?

Yes: Most cataract surgery is performed through the cornea which does not have blood vessels. This means that there is no bleeding. The cataract itself also does not have blood vessels. It has been studied and found that stopping blood thinners before cataract surgery is much more dangerous than having the surgery on them. ...Read more

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Would intensive cancer surgery (not skin cancer) be attempted if the person has not been off warfarin for at least 5 days?

Would intensive cancer surgery (not skin cancer) be attempted if the person has not been off warfarin for at least 5 days?

Unlikely: Generally any elective surgery (even cancer surgery) is done off of Coumadin (warfarin). Sometimes your doctor will take you off of Coumadin (warfarin) and put you on a shorter acting injectable blood thinner like Lovenox. ...Read more

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My mom on warfarin, and admitted to do a cardiac surgery. They stop warfarin and replace it by heparin . What is the reason for that?

My mom on warfarin, and admitted to do a cardiac surgery. They stop warfarin and replace it by heparin . What is the reason for that?

Heparin acts: in a different way on intrinsic pathway, can manipulate better during surgery and post surgery, then the doctors will switch back to warfarin by discharge time. ...Read more

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Any ideas if I can have gastric bypass surgery while on coumadin (warfarin)?

Any ideas if I can have gastric bypass surgery while on coumadin (warfarin)?

Stop before surgery: Coumadin (warfarin) should be discontinued for 4-5 days before a surgical procedure to avoid excessive surgical bleeding. It takes that long for the effects to wear off. For patients on coumadin (warfarin) because of a mechanical heart valve, some form of heparin is sometimes prescribed for a day or two before the surgery and then stopped (heparin is stopped closer to surgery because its effects don't last as long.) ...Read more

Warfarin (Definition)

Warfarin is a medication used to thin the blood and to prevent or treat people with blood clots. It requires frequent blood ...Read more


Dr. Ted King
702 doctors shared insights

Coumadin (Definition)

Coumadin is an anticholinergic agent which is a kind of anti-Parkinson's drug ...Read more