Thyroid impacts a lot of women of reproductive age. Infertility specialist Dr Rimmy Singla (Gynecologist & Obstetrician & Infertility Specialist) explained, “Thyroid is a very important metabolic hormone in our body and it is very deeply intertwined with its effects on reproduction. It controls the basal metabolic rate and influences the ovarian function.”

The most common condition is hypothyroidism where the TSH (thyroid stimulating hormone) levels are high. Hyperthyroidism, on the other hand, is associated with low levels of TSH, and high T3 and T4 levels. Uncontrolled thyroid disorders could lead to failure of conception, problem with the egg reserve, higher risk of miscarriage and complications like preterm labour, preeclampsia and abruptio placentae during pregnancy.


When the body is not producing enough thyroid hormone to meet the body’s needs it is labeled as hypothyroidism. There can be several factors that cause hypothyroidism.

  • Problem with the thyroid gland itself
  • Iodine Deficiency
  • Issues with the hypothalamus or pituitary gland
  • T4 hormones may not be converting to T3 hormones due to some internal issues

Hypothyroidism affects up to five to 10 per cent of women of reproductive age. “If you are trying to conceive, the thyroid levels should ideally be between 0.5-2.5. This way, thyroid will not have a big impact on fertility,” advised Dr Rimmy Singla (best ivf specialist in mohali). So, the thyroid levels need to be controlled especially at the time of conception.

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