||Abraham and Sarah were already old, well on in years, and Sarah no longer had female periods.
Ve'Avraham veSarah zekenim ba'im bayamim chadal lihyot le-Sarah orach kanashim.
||She laughed to herself, saying, 'Now that I am worn out, shall I have my heart's desire? My husband is old!'
Vatitschak Sarah bekirbah lemor acharey veloti hayetah-li ednah va'adoni zaken.
(Ibn Ezra). Or, 'shall I once again regain my youth' (Rashi).