Mahabharata 12.308.136

शय्यार्धं तस्य चाप्यत्र स्त्रीपूर्वमधितिष्ठतितदनेन प्रसङ्गेन फलेनैवेह युज्यते

śayyārdhaṃ tasya cāpyatra strīpūrvamadhitiṣṭhatitadanena prasaṅgena phalenaiveha yujyate

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