With the different options that mothers are presented when it comes to choosing a health care provider, they will often consider the outcomes of each option and which outcomes they desire the most. There have been studies to gather data regarding the effectiveness, advantages, and disadvantages of using a midwife. One study was conducted through Cochrane Collaboration to compare the outcomes of a midwife-led model of care for a pregnant woman to other models of care and determine the advantages or disadvantages. The study first looked at the primary outcomes of birth, or the outcomes that are most likely to help reach a conclusion. According to these results, women who used a midwife were less likely to have an epidural or spinal analgesia
