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Doctor insights on: Levothyroxine And Pregnancy

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If I took levothyroxine pills in pregnancy will my child have learning disabilities?

Not if your hypothy-: Roidism was treated prior to conception & your free t 4 was >10th %ile of the normal range throughout pregnancy. If your ft4 was < 10th%ile especially < 12 wks. Post-conception, a slightly ?ed risk for psychomotor & language delays & school-age learning issues is best addressed early through your state health division's early intervention program or your school district's child find team at age 3. ...Read more

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Dr. Louis Gallia
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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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In a hypothyroidism patient who is pregnant 5 months, is it preferred to continue using levothyroxine? Same dosage since before pregnancy or not?

In a hypothyroidism patient who is pregnant 5 months, is it preferred to continue using levothyroxine? Same dosage since before pregnancy or not?

Need blood work.: Thyroid replacement therapy is essential, in your case, for a healthy pregnancy. That being said, the dosage usually is different during pregnancy than not. You need a blood test to assess whether or not your dose needs adjusting. ...Read more

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Taking 137 x2 a day for levothyroxine. while pregnant. should I still take that after delivery or go back to 175 before pregnancy?

Taking 137 x2 a day for levothyroxine. while pregnant. should I still take that after delivery or go back to 175 before pregnancy?

See your doctor: You will need your labs checked and get the correct dosage accordingly. You should have your levels checked regularly since there is no permanent dosage for anyone. ...Read more

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Can levothyroxine worsen morning sickness and affect blood pressure in early pregnancy?

Can levothyroxine worsen morning sickness and affect blood pressure in early pregnancy?

No: Hi. Congratulations on your pregnancy! Levothyroxine will not adversely affect morning sickness or blood pressure early in pregnancy, especially assuming the dose is correct and you have normal thyroid function. Make sure your gyn is aware of your high blood pressure; that will need to be monitored. Certain blood pressure medicines can and others cannot be used in pregnancy. Good luck! ...Read more

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Can levothyroxine affect my period? Since I started taking it my periods have been regular but I am late. I took a pregnancy test and it was negative

Can levothyroxine affect my period? Since I started taking it my periods have been regular but I am late. I took a pregnancy test and it was negative

Hormonal imbalance: Thyroxine can affect menstrual cycle, especially if you lost weight. Menstrual irregularities are not uncommon and anovulatory cycle is a common cause. If you miss more than two periods it would be time to see your doctor. If you do not wish to be pregnant, use contraception all the time. You may consider implanted contraceptive or an IUD. Consult this site for more information on this topic. http://www.nichd.nih.gov/health/topics/menstruation/conditioninfo/Pages/causes.aspx Practice safe sex. Get HPV vaccine. ...Read more

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I started levothyroxine last month and my period is nearly two weeks late. After one week late I got negative pregnancy test?

I started levothyroxine last month and my period is nearly two weeks late.  After one week late I got negative pregnancy test?

Repeat test: It could just be that you didn't ovulate this cycle, but it also may be that you tested for pregnancy too early, so retest now that its been two weeks. Your physician can always give you provera (medroxyprogesterone) to restart your period if needed. ...Read more

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Which blood tests/physicals should I take to prepare for future pregnancy? I am 34/f. I have normal TSH thyroid due to 25 mcg of levothyroxine.

Which blood tests/physicals should I take to prepare for future pregnancy?  I am 34/f.  I have normal TSH thyroid due to 25 mcg of levothyroxine.

Basic check up : Just schedule a basic check with your doctor and they will make sure you're up-to-date with your vaccines , your pap smear and other necessary testing. Also taking prenatal vitamins daily. ...Read more

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Is 20mg prozac (fluoxetine) safe during pregnancy? Not pregnant yet, but maybe in the future. ITP, hypothyroidism, anxiety. On 50mcg levothyroxine and 20mg prozac (fluoxetine)

Is 20mg prozac (fluoxetine) safe during pregnancy? Not pregnant yet, but maybe in the future. ITP, hypothyroidism, anxiety. On 50mcg levothyroxine and 20mg prozac (fluoxetine)

Category C: Risk can't be ruled out but pretty low-- it's been around longer than all the other Ssris & no major problems noted--most ons in our area okay it the pts I've followed were ok through their pregnancies ...Read more

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Dr. David Sneid
1,375 doctors shared insights

Thyroxine (Definition)

Thyroxine is a thyroid ...Read more


Levothyroxine (Definition)

Of the hormone produced by one's own ...Read more