Malaysia, Sri Lanka and Thailand halved their maternal mortality ratios within 10 years by increasing the number of midwives in the 1950s and 1960s.

斯里兰卡、马来西亚和泰国在20世纪50年代和60年代的十年间，也通过增加助产士的数量使得孕产妇死亡率降低了一半。