The Bālatantra of Kalyāṇa begins where life begins. Before a single remedy for a childhood illness, the manuscript opens its therapeutic section with fertility: the causes of barrenness, the signs of defective menstrual blood, and the formulations meant to bring about conception.
The author frames the problem in humoral terms. Defects in women arise from blood, bile, wind, phlegm, their combination (sannipāta), planetary afflictions, and divine wrath; in men, from deficiency of semen. Women are classified by their capacity to bear children — those who are like a crow's bondage, those who miscarry, those who give birth to nectar-like children — and the physician is told to identify the cause before beginning treatment.
Reading the Signs
Diagnosis is detailed. If menstrual blood is carried away by bile, it flows hot and clear, resembling a ripe bimba fruit; if afflicted by wind, it is dry, red, black, or like ink, and accompanied by pain in the waist and bladder. Such observations determine which formulation follows. For conception, the text prescribes a paste of utpala, tagara, kuṣṭha, yaṣṭimadhu, and candana ground in goat's milk, administered for three nights. Then comes the celebrated Lakṣmaṇā preparation, taken with milk, which the manuscript promises will yield a handsome and mighty son.
In such women, the flower (menstrual blood) is known, but the fruit (conception) does not occur. Therefore, having understood the cause of the defect, one should commence the treatment.
Ritual and Timing
Herbs are paired with timing. Conception remedies are to be taken during auspicious lunar phases such as Puṣya or Śatabhiṣā, and rituals — worship of family deities, recitation of the Durgā mantra, offerings on the eighth or fourteenth day — accompany the medicines. The text also classifies types of barren women, including kākabandhyā, mṛtvatsā, and trimukhī, each with its own symptoms and prognosis.
A System, Not a Scrapbook
What stands out is the coherence of the approach. Humoral diagnosis, botanical pharmacy, astrological timing, and ritual are presented as one system in which the physician moves from cause to remedy in a fixed sequence. The Bālatantra's fertility chapters are a striking record of how premodern Ayurveda integrated empirical observation with a broader cosmology of health.