For more information about meconium, see this article by Midwife Thinking about meconium stained waters. In their 2007 research, Caughey et al. reported that high use of induction, Cesareans, and vacuum/forceps for individuals with increasing gestational age may contribute to an increase in maternal dangers. However, when the researchers used a statistical method to control for the utilization of interventions, the risks nonetheless elevated with gestational age.