Subclinical Hypothyroidism in Pregnancy: A Review
European Journal of Molecular & Clinical Medicine,
2020, Volume 7, Issue 6, Pages 1443-1446
AbstractPregnancy-reference levels of Subclinic hypothyroidism (SCH), along with normal level of serum thyroxine, are called high thyroid stimulation hormone level (TSH).
Autoimmune Thyroiditis is also common in patients of subclinical hypothyroidism. Subclinical Hypothyroidism in pregnancy is the cause of some adverse obstetric consequences. Changes in the metabolism of thyroid hormones during pregnancy needs to be kept in mind, while diagnosing thyroid abnormalities. There is a jump in the obstetric and neonatal results, like preterm delivery, miscarriage, fetal growth restriction, preeclampsia, gestational diabetes mellitus, low birth weight, abruptio placentae and poor Apgar scores at birth. Treatment with Cevothyroxine therapy may help reduce some of these adverse effects, however there is restricted evidence to provision it. The behavior of subclinical hypothyroidism should target maternal TSH concentrations of less than 2.5mIU/L. However there is a lack of recommendation for the official starting dose of levothyroxine. So, individualised low doses of levothyroxine can be started and thereafter titred to the maintain the TSH in the target level
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