Astanga Hrudaya
पुत्रार्थं दक्षिणे सिञ्चेद्वामे दुहितृवाञ्छया। पयसा लक्ष्मणामूलं पुत्रोत्पादस्थितिप्रदम्॥४१॥
into her right nostril if she desires a son and into the left nostril, if she desires a daughter Juice of roots of Laksmana (Ipomoea marginata) prepared with milk, instilled into the nose or consumed by mouth
english translation
putrArthaM dakSiNe siJcedvAme duhitRvAJchayA। payasA lakSmaNAmUlaM putrotpAdasthitipradam॥41॥
hk transliteration by Sanscript