Manusmriti

siva.sh/manusmriti/5/66

रात्रिभिर्मासतुल्याभिर्गर्भस्रावे विशुध्यति । रजस्युपरते साध्वी स्नानेन स्त्री रजस्वला ॥ ६६ ॥

sanskrit

(A woman) is purified on a miscarriage in as many (days and) nights as months (elapsed after conception), and a menstruating female becomes pure by bathing after the menstrual secretion has ceased (to flow).

english translation

rAtribhirmAsatulyAbhirgarbhasrAve vizudhyati | rajasyuparate sAdhvI snAnena strI rajasvalA || 66 ||

hk transliteration by Sanscript