Complex sentence: These fashion changes coincided with health professionals beginning to link breast care and comfort to motherhood and lactation, and campaigned against breast flattening ("race-suicide"), and the emphasis shifted from minimizing the breasts to uplifting and accenting them.
Split into simpler sentences: These fashion changes coincided with health professionals beginning to link breast care and comfort to motherhood and lactation, and campaigned against breast flattening ("race-suicide"). The emphasis shifted from minimizing the breasts to uplifting and accenting them.