better healthcare before, during, and after pregnancy.
Explanation:
Better healthcare before, during, and after pregnancy are the possible explanations for the lower maternal mortality rate of industrialized nations because in industrialized nations, more resources for health is provided by the government to its citizen as compared to developing and poor countries which can't afford and unable to provide healthcare services to its people which cause in the increase of maternal mortality rate.
Developing regions are those that have 97% of the population with a high growth rate and population growth of 1.2 bn forms 2013 to 2030. Along with the rise of the net migration of people to these areas and cities will have more than 60% of the population.
As world's population is projected to be 8.4 bn by the year 2030, with the highest population growth rate in developing nations as they have abundant resources are rich in terms of human resource and lack quality education and family planning.