April 24, 2008
Subclinical Hypothyroidism Pregnancy
Impact & Classification Hypothyroidism:
The Hypothyroidism deceases cause many problems in pregnancy, risk miscarriage and in breastfeeding. In thyroid deceases many forms and stages are imperative to be considered like hypothyroidism, hyperthyroidism, Graves' decease, Hashimoto's decease, thyroid nodules, and goiter and thyroid cancer. The thyroid decease during pregnancy stage puts them at the higher risk having the infants with birth defects, which includes abnormality of the heart, kidney and even brain. This abnormality includes a cleft lip and cleft palate. The medical researchers at Argentina carried out the studies of 150 pregnancy cases for the class between 16-39 years, having the hypothyroidism during their conception period. Of the cases they examined, hypothyroid pregnancy cases amounted to 34%. When they further classified them they found that, out of the total number of 51 cases, 16 formed the class of 'overtly hypothyroid'- the TSH more than 33.4 and 35 were part of subclinically hypothyroid- the TCH range above 12.9. A major part of 99 cases formed of the cases of euthyroid- normal TSH range, undergoing thyroid treatment.
The Cause & Effect Study:
It was found through the research that, the treatment in levothyroxine did have no effect in the cases having TSH levels up, as the pregnancies were bound to be spontaneous abortion (miscarriage) amongst which again 60% formed hypothyroid patients and from the subclinically hypothyroid cases 20 % were hypothyroid and 7.2 subclinically hypothyroid, having the effect of premature delivery. The further research came up with the revealing fact that, in the overtly hypothyroid cases and 90 % of subclinically hypothyroid cases, they had the proper pregnancies till the full term having no miscarriage reported midway. The cases in which euthyroid or levothyroxine present formed 4, 11 and 85 % respective volume in miscarriage, premature and term delivery. One more aspect which came forth was the patients who had the treatment with the dosage of levothyroxine for hypothyroidism before conceiving, needed increased dosage during the pregnancy period.
The Element of Care
In the conclusion the researchers came up with the findings that, it is the adequate and appropriate kind of treatment during pregnancy which is significant for thwarting the defects in the infants. The aspect as to whether hypothyroidism was overt or Subclinical was of lesser importance. When taken by history, hypothyroidism causes its impact on fertility. Even the women whose cases were studied having thyroid deficiency, could hardly carried the successful pregnancy term in majority cases. The miscarriage rate too is alarmingly high in these cases, when the research was focused for the reported cases during first half of twentieth century.







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