Complex sentence: More than 95% of babies in state-owned orphanages are healthy baby girls, while a high percentage of these abandoned girls die within couple of months because of the poor conditions and health neglect in orphanages.
Split into simpler sentences: More than 95% of babies in state-owned orphanages are healthy baby girls. However, a high percentage of these abandoned girls die within couple of months because of the poor conditions and health neglect in orphanages.