Cakradatta (Cikitsasangraha) 61.35

61.35

kānakānrājatānvāpi lauhānpuruṣakānamūn .
dhyātāgnivarṇānpayaso dadhno vāpyudakasya vā .
kṣiptvāñjalau pibetpuṣye garbhe putratvakārakān .. 35 ..

These small figurines of a man made of gold, silver, or iron, / heated to the colour of fire, should be dropped into milk, curd, or water / held in the cupped hands and drunk under Puṣya; they produce maleness in the foetus.