Śāṅkhāyana (Kauṣītaki) Āraṇyaka 4.10

4.10

ŚĀ 4,10 = KU 2,10
atha saṃvekṣyan jāyāyai hṛdayam abhi mṛśet - yat te susīme hṛdayaṃ śritam antaḥ prajāpatau | tenāmṛtatvasyeśāne mā tvaṃ putryam aghaṃ ni gā iti || na hyasyāḥ pūrvā prajā praitīti ||

Now, when about to lie down together [with his wife], he should touch her heart: / 'That fair-parted heart of yours that rests within Prajāpati, / by that, O ruler of immortality, may you not encounter misfortune with children!' / For her children do not die before her.