Ashtangasamgraha 28.75-77

The tube should be ten fingers long, permitting the entry of a mung bean, [and inserted] four fingers / into the birth canal; it should be two fingers [long] in the urinary passage. / [Medicated oil prepared] with punarnavā, tavakṣīrī, kākolī, and dhanvayāsa

in disorders of dysuria, but for children, merely a śukti [in dose]. / This ‘great pea-sized’ recipe is superior in qualities even to the Māyūra recipe.

For a woman lying on her back, having well drawn up her thighs / and with knees raised, one should administer [it] three or four times in a day and night. / It is praised in disorders of the vaginal tract, menstrual fluid, and semen, and grants a son to a barren woman.