“…Fifteen articles found that vaginal delivery led to better cord blood quality than Cesarean delivery. 15,22,27,32,33,[36][37][38]40,44,49,[62][63][64][65] In 10 different articles opposite results were found, 10,18,24,42,56,58,59,66-68 while contrasting results were found in seven articles. 17,31,35,48,50,52,69 In five studies, no significant influence of delivery type on UCB quality 9,19,29,45,47 was found.…”