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🧬 The Role of TSH and Thyroid Function in Successful Pregnancy After IVF


❗Why Is It Important to Monitor Thyroid Hormones Before IVF?



The thyroid gland plays a vital role in regulating hormonal balance — a key factor in planning for a successful pregnancy. One of the most sensitive markers of thyroid function is TSH (Thyroid-Stimulating Hormone). Its levels directly impact embryo implantation, pregnancy maintenance, and fetal development.


That’s why reproductive specialists strongly recommend checking a full panel of thyroid hormones before undergoing in vitro fertilization (IVF).



thyroid hormones IVF
Thyroid hormones IVF


📋 Recommended Thyroid Tests Before IVF:



To fully assess thyroid function, the following tests are essential:


  • TSH (Thyroid-Stimulating Hormone) – the primary indicator of thyroid activity.

  • Free T4 (FT4) – the active form of thyroxine, crucial for healthy pregnancy development.

  • Free T3 (FT3) – regulates metabolism and reflects active hormone function.

  • Anti-TPO (Thyroid Peroxidase Antibodies) – detects autoimmune thyroid issues, even with normal TSH.

  • Anti-TG (Thyroglobulin Antibodies) – important for diagnosing autoimmune thyroiditis.

  • Thyroid Ultrasound – to assess the gland’s structure and check for nodules or inflammation.





🧠 What Does the Research Say?



🔹 Optimal TSH range for conception is 0.5–2.5 mIU/L

🔹 Elevated TSH (above 2.5 mIU/L) may reduce IVF success, especially in women with thyroid antibodies

🔹 Hidden hypothyroidism can interfere with implantation and pregnancy, even without symptoms

🔹 Subclinical hypothyroidism (normal T4 but high TSH) may require treatment with levothyroxine




👩‍⚕️ Expert Support from Anatolian Health Hub



In Turkey, our partner clinics at Anatolian Health Hub provide:


✅ Personalized hormonal diagnostics

✅ Consultations with experienced endocrinologists and fertility specialists

✅ Targeted treatment of autoimmune thyroid conditions

✅ Full support through every stage of IVF — from pre-treatment to a healthy pregnancy


💡 We offer care in English, Russian, and Turkish, with affordable and flexible treatment packages.




📞 Get in Touch With Us



Anatolian Health Hub – Your Trusted Fertility Partner in Turkey

📞 WhatsApp / Call: +44 744 134 58 87

📍 Location: Turkey

📝 Online and in-person consultations available



📣 Let your dream of becoming a parent come true — with accurate diagnostics, compassionate care, and world-class IVF support in Turkey!

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