Complex sentence: Shorter birth space increases chances of chronic (medicine) and general under-nutrition; 57% of women in 55 developing countries reported birth spaces shorter than three years; 26% report birth spacing of less than two years.
Split into simpler sentences: Shorter birth space increases chances of chronic (medicine) and general under-nutrition. Fifty-seven percent of women in 55 developing countries reported birth spaces shorter than three years; 26% report birth spacing of less than two years.