两边颈项有肿块

您好!我28 岁 female 想问我的情况如下,发现两边颈项有肿块和好像有东西阻在喉咙里.后去看医生检查后,报告如下: Ultrasound neck: Both lobes of tyroid are diffusely enlarged(R:54x27x29mm , L:54x26x25mm).No mass or cyst. The tracheal shadow is not narrowed. Conclusion:Diffuse goiter 甲功三项(结果) hTSH =91.941 ulU/ml H 0.35-4.94 Free T3 =2.97 pmol/L 2.63-5.70 Free T4=(ng/dl) =医生给thyrosit 100mcg L-Thyroxine sodium 早上空腹吃一粒吃六个星期后又去检查的结果是 hTSH =0.20 ulU/ml L 0.35-4.94 Free T3 =4.53 pmol/L 2.63-5.70 Free T4 (ng/dl) =1.27 ng/dl 0.7-1.48 Free T4 (pmol/L)=16.34 pmol/L 9.01-19.05 医生又给thyrosit 100mcg L-Thyroxine sodium 早上空腹吃半粒吃三个月后又去检查的结果是 hTSH =4.802 ulU/ml L 0.35-4.94 Free T3 =3.40 pmol/L 2.63-5.70 Free T4 (ng/dl) =1.00 ng/dl 0.7-1.48 Free T4 (pmol/L)=12.87 pmol/L 9.01-19.05 后医生又给thyrosit 100mcg L-Thyroxine sodium 早上空腹吃半粒的药叫我一年后才去检查了. 请问我可以怀孕吗? 因医生说假如怀孕要吃多一点药了,是吗?p/s: if 意外怀孕,整麽办? 因为忘了问医生,需要禁口吗?为甚麽会这样呢?是不是吃太多海鲜类如:蛤类