Translate the following English sentence to French:
"In order to achieve this, they need to maintain their own social networks and they need activities which will strengthen their prospects in their country of origin upon their return and, of course, they need to be able to maintain their self-respect."
À cet effet, elles ont besoin de garder leurs propres réseaux sociaux et d'activités qui renforcent leur respect de soi et leurs perspectives dans leur pays d'origine à leur retour.