Before revision: In the Stage IV (MMR < 100 maternal deaths / 100,000 live births), the maternal mortality is moderate or low, there is low fertility and the indirect causes of maternal mortality, particularly the non-communicable diseases, acquire greater importance.
After revision: In the Stage IV (MMR < 50 maternal deaths / 100,000 live births), the maternal mortality is moderate or low, there is low fertility and the indirect causes of maternal mortality, particularly the non-communicable diseases, acquire greater importance.