Interaction Between Np Thyroid and Yasmin Birth Control Pills Reviews

Thyroid Hormone Replacement Drugs and Birth Control Pills: A Safe Combo?

Thyroid, estrogen, progesterone... that's a whole lot of hormones to remainder. We ask the experts how the Pill might be affecting your thyroid hormone replacement.

What'due south the thyroid?

Aye, it can make you bloat upwards and shrink downwards faster than a breakup. But your thyroid can also exercise so much more. It produces thyroid hormones, which control your trunk's utilize of vitamins, proteins, carbohydrates, fats, electrolytes and water, according to the American Thyroid Association. These hormones also regulate the trunk'south immune response and how your body reacts to other hormones and drugs.

The thyroid gland is controlled past thyroid-stimulating hormone (TSH) and thyrotropin-releasing hormone (TRH).

What's thyroid hormone replacement therapy (THRT)?

If yous endure from a thyroid hormone deficiency, or hypothyroidism, you can encounter symptoms every bit varied as lack of energy, depression, constipation, weight gain, pilus loss, dry skin, dry coarse hair, muscle cramps, decreased concentration, aches and pains, swelling of the legs and increased sensitivity to cold. Possible causes of hypothyroidism include a not-performance thyroid gland, thyroid-gland damage due to surgery or radiation treatment, or a non-functioning pituitary gland.

If you doubtable your thyroid isn't working every bit it should, your doctor can test your thyroid levels using a TSH test or T4 exam, says Kent Holtorf, M.D., Medical Director of Holtorf Medical Group, which studies women's wellness and endocrinology. A TSH test measures your body's levels of thyroid-stimulating hormone, which helps control the thyroid gland. Your doctor may also gild a T4 test, which measures the levels of the T4 hormone in the body. T4 is one of two types of thyroid hormones. The other, T3, comes from T4, and so it's not commonly measured.

These tests volition let your doctor know if your thyroid isn't working properly. If you do suffer from hypothyroidism, your dr. volition probable put yous on thyroid hormone replacement therapy (THRT), which is basically extra T4 hormones. You've got to bump those babies upwardly.

Mutual synthetic THRT medications include Synthroid, Levoxyl, Levothyroid, Unithroid. The most common natural THRT medication is Armour Thyroid and is made from porcine (pig) thyroid glands.

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If you lot're taking an estrogen medication (like birth control pills or hormone replacements) during THRT, you may take to accommodate your dosage of T4 hormones, according to the American Thyroid Association.

Why? 90-nine per centum of T4 (i of the two thyroid hormones) should bind to little proteins called thyroxine-binding globulins (TBG) in the bloodstream, making it pretty much useless. Estrogen in oral contraceptives causes TBG to hang out in the torso longer, increasing your torso's level of TBG -- and a per centum of all T4 stuck to it, says Wendy C. Wilcox, M.D., Vice Chairperson of the North Bronx Healthcare Network Section of Obstetrics and Gynecology.

Since the remaining 1 per centum of "free" T4 is what affects your torso, your thyroid gland should work to produce more T4 to keep plenty of the hormone gallivanting around your trunk free from TBG, according to the American Thyroid Association. Simply sometimes (particularly in patients who already have a thyroid condition) the thyroid can slack off, meaning yous have to upwardly your dosage of T4.

Whether or not yous have to modify your dose, the estrogen will throw off your levels of T4, since an absurd amount of T4 will exist hanging out with TBG, Dr. Wilcox says. For that reason, when having your thyroid levels checked, your doctor should opt for the THS exam, not the T4 exam. Your loftier T4 levels volition give the simulated impression your thyroid is putting in double time.

The good news is that THRT should not affect the effectiveness of birth control medication, Dr. Holtorf says. Simply thyroid disease can decrease fertility by affecting ovulation.

What Tin I Exercise?

Get yourself a knowledgeable physician who understands the complex relationship between estrogen and thyroid hormones. Your physician should monitor your thyroid levels and how whatsoever medications, including oral contraceptives, are affecting them, and accommodate your dosage accordingly.

All of your doctors must know all of the medications you are taking -- no "ifs, ands, or buts" nigh it, says Dr. Holtorf . Your doctors don't commutation all of their medical records about you each time at that place's an update, so unless you lot tell them your current list of medications, your physicians don't know what drug interactions to wait out for.

Although changes in T4 hormones from estrogen-containing oral contraceptives are non dangerous, y'all may want to avoid them birthday by using a nascence control pill that doesn't contain estrogen, Dr. Wilcox says. Keep in listen, however, that progesterone-simply nascency control pills are not as constructive equally those that contain estrogen and progesterone, and accept to be taken at the same fourth dimension every mean solar day. Alternatively, you can utilize a unlike course of birth command altogether.

Copyright & copy 2011 Meredith Corporation.?

Related Features:

• Decoding Thyroid Problems
• Pregnancy's Outcome on Other Health Conditions
• Factors that Affect Fertility

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