Mahabharata 12.2.4

क्षत्रं स्वर्गं कथं गच्छेच्छस्त्रपूतमिति प्रभोसंघर्षजननस्तस्मात्कन्यागर्भो विनिर्मितः

kṣatraṃ svargaṃ kathaṃ gacchecchastrapūtamiti prabhosaṃgharṣajananastasmātkanyāgarbho vinirmitaḥ

Our plain-language meaning of this verse is waiting for scholar review.