But this change has mainly been due to medical techniques that have reduced the risk of dying during infancy or childhood.
लेकिन यह परिवर्तन मुख्यतः चिकित्सक तक़नीक़ों के कारण हुआ है, जिन से शैशव या बचपन के दौरान मरने का ख़तरा कम हुआ है ।