The Compendium of Caraka 4.8.21

4.8.21

garbhopaghātakarāstvime bhāvā bhavanti; tadyathā---utkaṭaviṣamakaṭhināsanasevinyā vātamūtrapurīṣavegānuparundhatyā dāruṇānucitavyāyāmasevinyāstīkṣṇoṣṇātimātrasevinyāḥ pramitāśanasevinyā garbho mriyate 'antaḥ kukṣeḥ, akāle vā sraṃsate, śoṣī vā bhavati; tathā 'abhighātaprapīḍanaiḥ śvabhrakūpaprapātadeśāvalokanairvā 'abhīkṣṇaṃ mātuḥ prapatatyakāle garbhaḥ, tathā 'atimātrasaṃkṣobhibhiryānairyānena, apriyātimātraśravaṇairvā /

These, on the other hand, are the factors that cause injury to the embryo: that is to say, in a woman who uses elevated, uneven, or hard seats; who suppresses the urges of flatus, urine, and feces; who engages in harsh, unaccustomed physical exercise; who excessively consumes sharp and hot things; or who consumes restricted food, the embryo dies inside the womb, or slips out prematurely, or becomes emaciated. Likewise, through trauma, crushing, or constantly looking into chasms, wells, and precipices, the mother's embryo falls prematurely; likewise, through traveling in excessively shaking vehicles, or through listening to excessively unpleasant things.