Thyroid Disease In Pregnancy

Admin 30 Jan 2020 02:40

Thyroid Disease In Pregnancy

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There are a lot of incidences of occurrences of thyroid disease in pregnancy. Normal thyroid hormones are crucial for the normal development of your baby’s brain and nervous system. Pregnancy-related two hormones are human chorionic gonadotropin (hCG) and estrogen, that cause high thyroid hormone blood levels. The thyroid generally increases slightly in healthy women during pregnancy, but usually not enough for a doctor to feel during a physical examination. Thyroid problems are hard to diagnose in pregnancy due to higher levels of thyroid hormones and other symptoms that occur in both thyroid disorders and pregnancy. Some of the symptoms doctors can easily identify and will test for the hormones to diagnose thyroid disease.

Symptoms of Hyperthyroidism in Pregnancy

The signs and symptoms in pregnancy that can suggest hyperthyroidism:

  • Irregular and fast heartbeat
  • Shaky hands
  • Weight loss 
Various types of Thyroid disorders in Pregnancy
  • Graves’ disease generally causes § Hyperthyroidism in pregnancy. It occurs in 1 to 4 of every 1,000 pregnancies in the United States. It is an autoimmune disorder. In this disease, your immune system makes antibodies that cause the thyroid to make too much thyroid hormone. This antibody is called thyroid-stimulating immunoglobulin(TSI).
  • Graves’ disease may first appear during pregnancy. However, if you already have Graves’ disease, your symptoms could improve in your second and third trimesters. Some parts of your immune system are less active later in pregnancy so your immune system makes less TSI. This may be why symptoms improve. Graves’ disease often gets worse again in the first few months after your baby is born, when TSI levels go up again. If you have Graves’ disease, your doctor will most likely test your thyroid function monthly throughout your pregnancy and may need to treat your hyperthyroidism.1Thyroid hormone levels that are too high can harm your health and your baby’s.
  • Often one or more nodules, or lumps in your thyroid, can make too much thyroid hormone.
  • Hyperthyroidism in pregnancy can cause hyperemesis gravidarum. But this is rare. It causes severe nausea and vomiting that can cause weight loss and dehydration. Healthcare Experts believe this severe nausea and vomiting is due to high levels of hCG early in pregnancy. High hCG levels can cause the thyroid to make too much thyroid hormone. This type of hyperthyroidism usually goes away during the second half of pregnancy.
  • After birth of the baby, another type of thyroid disease can occur which is called postpartum thyroiditis.
Faster the Better

If hyperthyroidism during pregnancy is not treated, it can lead to

  • Miscarriage
  • Premature birth
  • Very low birth weight 
  • Preeclampsia—a rise in blood pressure during the latter part of pregnancy
  • Thyroid storm
  • Congestive heart failure

Treatment of hyperthyroidism needs to be done as early as possible.