|  | Primi | Multi | Multi with BOH | 
      
        | First trimester | USG,
        Haemogram, Blood Group,TORCH, TSH, Urine, Blood sugar | USG,
        Haemogram, Blood Group,TORCH, TSH, Urine, Blood sugar | USG,
        Haemogram, Blood Group,TORCH, TSH, Urine, Blood sugar, Phospholipid | 
      
        | Second
        trimester | Triple marker,
        USG, Hb, Urine | Triple marker, USG,
        Hb, Urine | Triple marker, USG,
        Hb, Urine | 
      
        | Third
        trimester | USG,
        Hb, Urine | USG,
        Hb, Urine | Doppler studies |