I am 2 months pregnant n have thyroid from 1 n half yr. I am suffering from fatigue since pregnancy started. N feeling of nausea after having food 3 times. What is d cause of fatigue? Pls let me know? I am having gestofit 100 mg and docosa fm tabs also as suggested by going. Pls let me know r der any side effects of having this tablets which leads to fatigue. Pls answer.