SB 6.18.55

bāḍham ity abhyupetyātha
 ditī rājan mahā-manāḥ
kaśyapād garbham ādhatta
 vrataṁ cāñjo dadhāra sā
Synonyms: 
bāḍham — yes; iti — thus; abhyupetya — accepting; atha — then; ditiḥ — Diti; rājan — O King; mahā-manāḥ — jubilant; kaśyapāt — from Kaśyapa; garbham — semen; ādhatta — obtained; vratam — the vow; ca — and; añjaḥ — properly; dadhāra — discharged; — she.
Translation: 
O King Parīkṣit, Diti, the wife of Kaśyapa, agreed to undergo the purificatory process known as puṁsavana. “Yes,” she said, “I shall do everything according to your instructions.” With great jubilation she became pregnant, having taken semen from Kaśyapa, and faithfully began discharging the vow.