Verse 18

देहि मे भगवन्पुत्र नो चेद्देहमिहाग्नये ।प्रकरोम्याहुतिं पुत्र दुःखदाहोपशान्तये

In plain words

Give me a son, blessed one; if not, here into the fire I shall make an offering of this body, to quench the burning grief over a son.'