Relation Between Subclinical Hypothyroidism and Outcome of Pregnancy

Plain-language summary

Studies have demonstrated a relationship between subclinical hypothyroidism and obstetrics complications like preterm delivery, pre-eclampsia, placental abruption and stillbirth. Subclinical hypothyroidism and positive thyroperoxidase antibodies (TPOab) may increase the risk of early spontaneous abortion before 12 weeks of gestation. But there is not a consensus if the prevalence of TPOab should be treated before and during pregnancy when the level of thyroid-stimulating hormone (TSH) is normal. Thyroid hormones are regulators of the mitochondrial activity and our research group has previously shown that subclinical hypothyroidism affects mitochondrial activity. The hypothesis: Subclinical hypothyroidism causes early spontaneous abortion and or complications in pregnancy like pre-eclampsia because of mitochondrial dysfunction

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