Shiva Purana

siva.sh/siva-purana/uma-samhita/23/37

गर्भस्थस्य स्मृतिर्यासीत्सा च तस्य प्रणश्यति ।। संमूर्छितेन दुःखेन योनियन्त्रनिपीडनात् ।। ३७।।

sanskrit

What little recollection the child had while within the womb perishes when his misery develops further on being crushed by the muscular walls of the vaginal passage as if within a machine.

english translation

garbhasthasya smRtiryAsItsA ca tasya praNazyati || saMmUrchitena duHkhena yoniyantranipIDanAt || 37||

hk transliteration by Sanscript