Musannaf Ibn Abi Shaybah 18972 — A girl divorced before reaching

Ibrahim, al-Sha'bi and al-Hasan said concerning a young girl who is divorced before she has reached the age of menstruation: She observes the waiting period by months. If she menstruates before the months have passed, she restarts the waiting period by menstrual cycles; and if she menstruates after the months have passed, her waiting period is complete.