Development (2) Birthplace (2) Children (2) Risk (2) Premature infants (2) Age (2) Birth (2) Nacimiento (2) Parto (2) Niños prematuros (2) Enfant (2) Développement (2) Risque (2) Prématurés (2) Naissance (2) Âge (2) Enfants (2) enfant (2) Complications (1) Indexes (1) Lady's maids (1) Restrooms (1) Victims (1) Women household employees (1) Upper class (1) Toilets (1) Stress (Physiology) (1) Social status (1) School age (Entrance age) (1) Ombudspersons (1)