Chronic lumbar nerve impingement
Recently (less than a year ago) undergone abdominal surgery
Uterine scarring due to surgical intervention
Threat of preterm labor
Symphysitis
Short cervix
Poorly developed abdominal muscles
Low fetal positioning
Underdeveloped uterus
Likelihood of miscarriage or tendency to miscarry
Varicose veins or a tendency to have them
Excessively active lifestyle of the mother