Mahabharata 3.196.9

एकपत्न्यश्च या नार्यो याश्च सत्यं वदन्त्युतकुक्षिणा दश मासांश्च गर्भं संधारयन्ति याःनार्यः कालेन संभूय किमद्भुततरं ततः

ekapatnyaśca yā nāryo yāśca satyaṃ vadantyutakukṣiṇā daśa māsāṃśca garbhaṃ saṃdhārayanti yāḥnāryaḥ kālena saṃbhūya kimadbhutataraṃ tataḥ

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