Less commonly, a genetic defect interferes with his growth. Here's a list of the most common causes of IUGR: Abnormalities in the placenta, the organ that delivers oxygen and nutrients to your baby in the womb. A placenta that's too low in the uterus (placenta previa) may slightly increase the risk of IUGR.
Likewise, what causes growth restriction in pregnancy?
Fetal growth restriction (FGR), intrauterine growth retardation, Intrauterine growth restriction (IUGR) refers to poor growth of a fetus while in the mother's womb during pregnancy. The causes can be many, but most often involve poor maternal nutrition or lack of adequate oxygen supply to the fetus.
Can a fetus develop slowly?
Intrauterine growth restriction (IUGR) means that a baby is growing more slowly than normal during a pregnancy and the baby's weight is lower than it should be. A baby's growth and weight are important. Small babies are more likely to have problems near the time of birth and after delivery.