I am 13 weeks pregnant. My tsh level got decreased to 0.12 uiu/ml. My gynecologist suggested me a lower dose of thyronorm ie. 75 mcg and also prescribed progesterone sustained release tablet 200 mg twice a day. After 1 month I found my tsh level is 10.7 uiu/ml. Does progesterone sustained release tablet 200 mg twice a day cause increased tsh level?

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