Ashtangasamgraha 1.22

1.22

utkṛṣṭamadhyālpatayā tridhā vṛddhikṣayāvapi |

vikṛtā 'vikṛtā dehaṃ ghnanti te varttayanti ca ||

īṣatkṛṣṇaṃ vigandhaṃ ca vāyuryonimukhānnudet ||

punarvasau pravṛttastu jvaro 'paiti trayodaśāt ||

snehoktamācāravidhiṃ sarvataścānupālayet ||

athavā pūrvavat siddhaṃ ghṛtam ||

Even increase and decrease are threefold, as superior, middling, and slight. / Disordered or non-disordered, they destroy or sustain the body.
Slightly black and foul-smelling, vāyu expels [menstrual fluid] from the mouth of the vagina.
Fever having arisen under Punarvasu, however, departs after thirteen [days].
One should strictly observe in every respect the regimen of conduct prescribed for oleation.
Or ghee prepared as before.