hi, am 2mths old pregnant,i am 33yrs my last period was 22nd may 2011, am weighing 62.3,my Bp 70/100, my height 157meters, i have a neausia and prequent salavating and a Dr prescribed navidoxine for me, but its like its not helping me any more, can i increase the dosage or i should continue with 1 in the morning and 1 @ night?