Background: pregnancy is one of the important times in a woman’s life. Women's bodies become more sensitive to dangerous substances and they may develop different complications, such complications might be to pregnant women or the fetus. Some women don’t have proper knowledge about pregnancy complications or nutritional food products to be taken during pregnancy the main aim of the study is to study ABO blood groups and sociodemographic status in anomalies and normal fetuses in pregnant women. The present study is a cohort study carried out on 180 pregnant women. Among them, group 1 136 were normal pregnant women (without any fetal complications) and group 2 44 were anomaly pregnant women (with fetal complications). In groups, -1 & 2 majorities of the pregnant women were under the age group of 31 – 35 years (45.58%) and 20 – 25 years (27.27%) after comparing both groups – 1& 2 significance was observed at 20 -25 years (p<0.05). in group 1 majority of pregnant women have 1 fetus but in group 2 majority of the pregnant women have 2 fetuses. In comparing the ABO blood group of both groups 1 & 2 there is a significant difference was observed in blood group A and no significance was observed in blood group B, AB & O. as per the education status of a pregnant women in group 1 in education status of a pregnant women majority were upto degree 43.38% and in group 2 majority of pregnant women were not educated (45.45%). Complications observed in group 2 in 44 pregnant women having Hematocolpos 29.54% followed by Hydramnios 22.72%, Oligohydramnios 18.18%, Microcephaly 13.63%, Cleft palate 9.09% and Hygroma colli 6.81 %. Early age Pregnancy, more than 1 fetus, A blood group, no education about taking care during pregnancy and there complications such pregnant women may develop complication in fetus and even death of the fetus can be seen