Surah Al-Imran, ayah 35

3:35

إِذۡ قَالَتِ ٱمۡرَأَتُ عِمۡرَٰنَ رَبِّ إِنِّي نَذَرۡتُ لَكَ مَا فِي بَطۡنِي مُحَرَّرٗا فَتَقَبَّلۡ مِنِّيٓۖ إِنَّكَ أَنتَ ٱلسَّمِيعُ ٱلۡعَلِيمُ ٣٥

Idh qālatimra'atu 'imrāna rabbi innī nadhartu laka mā fī batnī muharraran fataqabbal minnī innaka antas-samī'ul-'alīm

[Mention, O Muḥammad], when the wife of ʿImrān said, "My Lord, indeed I have pledged to You what is in my womb, consecrated [for Your service], so accept this from me. Indeed, You are the Hearing, the Knowing."