The Compendium of Caraka 4.8.38

4.8.38

sā cedāvībhiḥ saṃkliśyamānā na prajāyetāthaināṃ brūyāt---uttiṣṭha, musalamanyataraṃ gṛhṇīṣva, anenaitadulūkhalaṃ dhānyapūrṇaṃ muhurmuhurabhijahi muhurmuhuravajṛmbhasva caṅkramasva cāntarā 'antareti; evamupadiśantyeke/

If, distressed by labor pains, she does not give birth, one should say to her: 'Rise, take one or another pestle, strike this mortar filled with grain repeatedly with it, yawn repeatedly, and stroll around at intervals.' Thus advise some [authorities].