Mahabharata 1.168.24

दीर्घकालधृतं गर्भं सुषाव न तु तं यदासाथ देव्यश्मना कुक्षिं निर्बिभेद तदा स्वकम्

dīrghakāladhṛtaṃ garbhaṃ suṣāva na tu taṃ yadāsātha devyaśmanā kukṣiṃ nirbibheda tadā svakam

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