Besides the celebration of Garbhadhana, Vedic Mantras become necessary for enabling persons of the twice-born classes to perforin all their acts regarding both this and the oiher world.
प्राग्गर्भाधानात्मन्त्रा हि प्रवर्तन्ते द्विजातिषु। अविश्रम्भेषु वर्तन्ते विश्रम्भेष्वष्यसंशयम्॥