Im 19 wks pregnant n its my 3rd child since aftr concieving im suffering frm  rapid heart rate while lying on bed i cnt breath properly feeling of suffocation nw it becoming more itense like whole day and headache also kind of migraine last time wen i check my bp its 140/90 bt most of the time during my routine checkup my bp comes normal so my gynaec dnt consider my problm serious n jst say its normal u dnt need any medication for dis bt i kno it is my tsh level is also low my other gynaec prescribed me ciplar 10mg bt stil some doct say its harmful for unborn child im so confused and stressed wether to continue d med or not plz help me