Kaushitakagrihyasutra 1.10.24

1.10.24

pumāṃsau mitrāvaruṇau pumāṃsāvaśvināvubhau pumānindraścāgniśca pumāṃsaṃ vardhatāṃ mayi svāhā iti pūrvāṃ garbhakāmaḥ \24\

One who desires male offspring [offers] the former [oblation] with: ‘Mitra and Varuṇa are male; both the Aśvins are male; Indra and Agni are male; may a male grow in me, svāhā!’