The Compendium of Caraka 4.8.49

4.8.49

tasyāstu khalu yo vyādhirutpadyate sa kṛcchrasādhyo bhavatyasādhyo vā, garbhavṛddhikṣayitaśithilasarvadhātutvāt, pravāhaṇavedanākledanaraktaniḥsrutiviśeṣaśūnyaśarīratvācca; tasmāttāṃ yathoktena vidhinopacaret; bhautikajīvanīyabṛṃhaṇīyamadhuravātaharasiddhairabhyaṅgotsādanapariṣekāvagāhanānnapānavidhibhirviśeṣataścopacaret; viśeṣato hi śūnyaśarīrāḥ striyaḥ prajātā bhavanti//

Whatever disease arises in her, however, is difficult to cure or incurable, because all her bodily tissues have been emaciated and loosened by the growth of the fetus, and because her body is especially emptied by the bearing down, pain, discharge of fluid, and outflow of blood. Therefore one should treat her according to the stated rule; and one should treat her especially with regimens of inunction, massage, pouring, tub-bathing, food, and drink prepared with bhūta-dispelling, life-promoting, nourishing, sweet, and wind-pacifying [substances]; for women who have given birth have especially emptied bodies.