Mahabharata 12.318.23

संगत्या जठरे न्यस्तं रेतोबिन्दुमचेतनम्केन यत्नेन जीवन्तं गर्भं त्वमिह पश्यसि

saṃgatyā jaṭhare nyastaṃ retobindumacetanamkena yatnena jīvantaṃ garbhaṃ tvamiha paśyasi

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