Sushruta Samhita
आचतुर्थात्ततो मासात् प्रस्रवेद्गर्भविच्युतिः । ततः स्थिरशरीरस्य पातः पञ्चमषष्ठयोः ॥१०॥
From the fourth month onwards, there may be a miscarriage. Following this, the fall of a stable body occurs in the fifth or sixth month.
english translation
चौथे महीने से गर्भपात हो सकता है। इसके बाद पांचवें या छठे महीने में स्थिर शरीर का पतन हो जाता है।
hindi translation
AcaturthAttato mAsAt prasravedgarbhavicyutiH । tataH sthirazarIrasya pAtaH paJcamaSaSThayoH ॥10॥
hk transliteration by Sanscript