The Compendium of Caraka 4.8.11_1

4.8.11_1

tatastasyā āśāsānāyā ṛtvik prajāpatimabhinirdiśya yonau tasyāḥ kāmaparipūraṇārthaṃ kāmyāmiṣṭiṃ nirvartayed 'viṣṇuryoniṃ kalpayatu'ityanayarcā/

Then, as she makes her wish, the officiating priest, invoking Prajāpati over her womb, should perform the optional rite for the fulfillment of her desire with this verse: “May Viṣṇu prepare the womb.”