Matsyapurana 70.59

70.59

daivaṃ vā mānuṣaṃ vā syād anurāgeṇa vā tataḥ
sācārānaṣṭapañcāśad yathāśaktyā samācaret //

If, with the consent of that Brâhmaṇa, another handsome person come to them, these women should, with love and affection and to the best of their ability, perform all the fiftyeight kinds of observances of Love, favourite of man and gods, which would lead to pregnancy and which is not harmful to their soul’s welfare.—58-59.