SB 9.6.30

tataḥ kāla upāvṛtte
 kukṣiṁ nirbhidya dakṣiṇam
yuvanāśvasya tanayaś
 cakravartī jajāna ha
Synonyms: 
tataḥ — thereafter; kāle — time; upāvṛtte — being mature; kukṣim — the lower part of the abdomen; nirbhidya — piercing; dakṣiṇam — the right side; yuvanāśvasya — of King Yuvanāśva; tanayaḥ — a son; cakravartī — with all the good symptoms of a king; jajāna — generated; ha — in the past.
Translation: 
Thereafter, in due course of time, a son with all the good symptoms of a powerful king came forth from the lower right side of King Yuvanāśva’s abdomen.