My wife TSH level is 8.14 and she is pregnent of 37 weeks,previously she was taking Thyronorm of 75 mcg(1tab daily morning),Now she is taking 1 tab of 75 mcg and 1tab of 25 mcg daily from yesterday,problem is that from yesterday onwards she is feeling sleepy,lazy and feeling like loose motion,Baby movement is also not good,what may be the cause?