They summoned the goddess Yogamaya and experienced her transfer the fetus with the womb of Devaki on the womb of Rohini (Vasudeva's other spouse who lived together with her sister Yashoda over the river Yamuna, inside the village of cowherds at Gokulam). So the child conceived in one womb was https://digitalasset.sfo2.digitaloceanspaces.com/SouthernCaliforniaSurrogacy/Becoming-A-Surrogate-In-Southern-California.html