Why will there be clubfoot? Medically speaking, the causes mainly include: 1, genetic factors: genetic factors can cause clubfoot, that is, if the parents have clubfoot, certainly the child has a greater possibility of clubfoot; 2, is the fetus in the process of foot development, abnormal development of fibrin, can cause clubfoot; 3, the fetal position in the uterus whether the pressure, is also the formation of clubfoot The fetal position in the uterus is also one of the possible causes of clubfoot. However, the specific cause is not clear, but may be related to these factors.