Does it matter if a pregnant woman is diagnosed with hypothyroidism after 20 weeks?

Patient's question:

During pregnancy, it's always particularly uncomfortable, and morning sickness is also very severe. I wonder if a thyroid deficiency diagnosis at 20 weeks will have a significant impact?

Doctor's answer:

General severe hypothyroidism can cause miscarriage, fetal growth retardation, and in severe cases, it can affect the child's intelligence. From an eugenics perspective, the TSH level during pregnancy should generally be below 2.9.
Hello, the impact on the fetus cannot be ruled out, and it may lead to miscarriage or malformations. If you wish to continue the pregnancy, you need to consider it carefully. Regular prenatal examinations, such as ultrasound for anomaly screening and Down syndrome screening, should be conducted. If abnormalities are found, termination of pregnancy can be performed in a timely manner.

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