<prompt> What is approx fetal weight, if height of uterus is above pubic symphysis is 35 cm and station of head -2?2.5 kg3 kg3.5 kg4 kg  <response>: Ans. is c, i.e. 3.5 kgRef. Dutta Obs. 9e, p 68Estimation of fetal weight can be done using Johnson formula:If station of head below ischial spine x 155If fetal head is at or above ischial spine- x 155 Here fetal head is at - 2, i.e. above ischial spine, so it will be 35 - 12 x 155 3.5 kg.Also Know:USG measurement of fetal weight Shephard formula Log10 EFWgm1.2508-0.002646xACxBPDHadlock formula Log10 EFWgm1.3596-0.00386ACxFL0.0064HC0.00061BPDxAC0.0425AC0.0174FL 