Agnipurana 121.70

121.70

ādhāne janmanakṣatre vyādhau kleśādikaṃ bhavet
kṛttikāyānnavadinantrirātraṃ rohiṇīṣu ca

In the conception-asterism or birth-asterism, affliction and the like will arise in illness;
under Kṛttikā [it lasts] nine days, and three nights in Rohiṇī;