a pt prime of 3 and 1/2 month pregnancy duration is pescribed ecosprin 75.is it needed?age of the pt 32years,hight 5feet 2 inchs,weight 73kg,u s g report normal,bp 100/70mmg,no history of deep vein thombosis.fasting and pp blood sugar normal .pt also adviced thyronorm50.TSH 5.2.