King Indra said: In the womb of this woman, the wife of the demon Hiraṇyakaśipu, is the seed of that great demon. Therefore, let her remain in our custody until her child is delivered, and then we shall release her.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
इन्द्र उवाच । आस्तेऽस्या जठरे वीर्यमविषह्यं सुरद्विषः । आस्यतां यावत्प्रसवं मोक्ष्येऽर्थपदवीं गतः
indra uvāca | āste'syā jaṭhare vīryamaviṣahyaṃ suradviṣaḥ | āsyatāṃ yāvatprasavaṃ mokṣye'rthapadavīṃ gataḥ
SB 7.7.9