Using a modern contraceptive method to space pregnancies at least 24 months apart could reduce maternal mortality by up to 40%1Strategies for reducing maternal mortality: getting on with what works
Lancet. 2006 Oct 7; 368(9543):1284-99
Campbell OM, Graham WJ, Lancet Maternal Survival Series steering group
October 7, 2006 and child mortality by 26%.2Rutstein and Winter, 2014 This is a preventive behavior that can be successfully carried out using a number of different modern contraceptive methods.