Hiranyakeshigrihyasutra 2.1.2.5

2.1.2.5

ācāntāyā udaramabhimṛśati \ ābhiṣṭvāhaṃ daśabhirabhimṛśāmi daśamāsyāya sūtavai \ iti \5\

After she has sipped water, he touches her belly with (the formula), 'With my ten (fingers) I touch. thee that thou mayst give birth to a child after ten months.'
6 (He pounds) the last shoot of a Nyagrodha trunk (and mixes the powder) with ghee, or a silkworm (and mixes the powder) with a pap prepared of panick seeds, or a splinter of a sacrificial post taken from the north-easterly part (of that post) exposed to the fire, or (he takes ashes or soot [?] of) a fire that has been kindled by attrition, and inserts that into the right nostril of (the wife) whose head rests on the widely spread root (of an Udumbara tree?).