sentences:  A 2013 systematic review of the use of OMT for treating pediatric conditions concluded that its effectiveness was unproven.In 2014, a systematic review and meta-analysis of 15 randomized controlled trials found moderate-quality evidence that OMT reduces pain and improves functional status in acute and chronic nonspecific low back pain.The same analysis also found moderate-quality evidence for pain reduction for nonspecific low back pain in postpartum women and low-quality evidence for pain reduction in nonspecific low back pain in pregnant women.