ŚB 4.13.38
Devanagari
सा तत्पुंसवनं राज्ञी प्राश्य वै पत्युरादधे ।
गर्भं काल उपावृत्ते कुमारं सुषुवेऽप्रजा ॥ ३८ ॥
गर्भं काल उपावृत्ते कुमारं सुषुवेऽप्रजा ॥ ३८ ॥
Verse text
sā tat puṁ-savanaṁ rājñī
prāśya vai patyur ādadhe
garbhaṁ kāla upāvṛtte
kumāraṁ suṣuve ’prajā
prāśya vai patyur ādadhe
garbhaṁ kāla upāvṛtte
kumāraṁ suṣuve ’prajā
Synonyms
Translation
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.
Purport
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.