गर्भं काल उपावृत्ते कुमारं सुषुवेऽप्रजा ॥ ३८ ॥
prāśya vai patyur ādadhe
garbhaṁ kāla upāvṛtte
kumāraṁ suṣuve ’prajā
Although the Queen had no son, after eating that food, which had the power to produce a male child, she became pregnant by her husband, and in due course of time she gave birth to a son.
Among the ten kinds of purificatory processes, one is puṁ-savanam, in which the wife is offered some prasāda, or remnants of foodstuff offered to Lord Viṣṇu, so that after sexual intercourse with her husband she may conceive a child.