It is a condition where TSH levels are high and T3,T4 levels are low.


  1. Fatigue
  2. Forgetfulness
  3. Dry skin & hair
  4. Weight gain
  5. Depression
  6. Cold sensitivity

Hypothyroidism &it’s effects in pregnancy:-

Maternal effects:

  1. Anaemia
  2. Preeclampsia
  3. Placental abnormalities
  4. Low birth weight
  5. Pre-term deliveries
  6. PPH (post partum haemorrhage
  7. Myopathy (muscle pain &weakness)

Foetal effects :

  1. Cognitive impairment
  2. Developmental abnormalities
  3. Neurological abnormalities
  4. Congenital hypothyroidism
  5. Hyper bilirubinemia
  6. Respiratory distress


250 mcg of iodine is required in pregnancy.Tab.levothyroxin is the treatment for hypothyroidism. It is recommended to increase the dose of levothyroxin by 30% once pregnancy is confirmed. If hypothyroidism is detected only during pregnancy , levothyroxin can be stopped post delivery and advised to check TSH after 6 weeks post delivery.

Tip for pregnant ladies:

Prenatal vitamins like iron and calcium should not be taken at the same time with levothyroxin and should be taken separately with a gap of at least 4 hrs.