Charak Samhita
सप्तमे मासि गर्भः सर्वैर्भावैराप्याय्यते, तस्मात्तदा गर्भिणी सर्वाकारैः क्लान्ततमा भवति ॥२३॥
॥ Features in seventh month॥ As during the seventh month of gestation the fetus attains over-all fulfillment of all elements. Therefore, a pregnant woman becomes excessively exhausted.
english translation
saptame mAsi garbhaH sarvairbhAvairApyAyyate, tasmAttadA garbhiNI sarvAkAraiH klAntatamA bhavati ॥23॥
hk transliteration by Sanscript