Table 4. Summary of recent studies on umbilical cord milking.

Author	Year	Study design	Enrollment	Result
Katheria et al. [20]	2015	RCT	154 babies, GA <32 wk	Higher systematic blood flow with UCM compared to DCC
Dang et al. [21]	2015	Meta-analysis	292 babies, GA <32 wk (6 studies)	Improved neonatal outcomes with UCM compared to ICC
Backes et al. [15]	2014	Meta-analysis	531 babies, GA <32 wk (12 studies)	Improved neonatal outcomes with enhanced placental transfusion
Ghavam et al. [11]	2014	Meta-analysis	199 babies, GA <30 wk (10 studies)	Possible improvement in short-term neonatal outcomes with enhanced placental transfusion
Rabe et al. [12]	2011	RCT	58 babies, GA <33 wk	Similar amount of placenta-fetal blood transfusion between UCM and DCC

RCT, randomized controlled study; GA, gestational age; UCM, umbilical cord milking; DCC, delayed cord clamping; ICC, immediate cord clamping.