Atharvavedaparishishta 7.1.10

7.1.10

tatas tu śaṅkhadhvaninā dīpaṃ gṛhītvā satoyadhārāṃ prayato 'pi nirharet | purohito jyotiṣiko 'pi vā svayaṃ hitaiṣinī dhātry atharvo (pakāritā ||

Then, to the sound of a conch, one should take the lamp and, keeping pure, carry it out along with a stream of water; either the royal domestic priest, the astrologer, or even herself, the well-wishing nurse instructed in the Atharvan rites.