Śrāddha-kalpa: Dāna-phala, Medhya/Amedhya Dravya, and Uparāga
Eclipse) Observances (श्राद्धकल्पः—दानफल-मेध्यामेध्य-उपरागविधिः
उदक्यां सूतिकां चैव श्वानमन्तावसायिनम् / नग्नादीन्मृतहारांश्च स्पृष्ट्वा शौचं विधीयते
udakyāṃ sūtikāṃ caiva śvānamantāvasāyinam / nagnādīnmṛtahārāṃśca spṛṣṭvā śaucaṃ vidhīyate
If one touches a menstruating woman (udakyā), a woman after childbirth (sūtikā), a dog, an outcaste such as a caṇḍāla, a naked person, or a bearer of the dead, purification (śauca) is enjoined.