They summoned the goddess Yogamaya and experienced her transfer the fetus from the womb of Devaki into the womb of Rohini (Vasudeva's other wife who lived together with her sister Yashoda across the river Yamuna, while in the village of cowherds at Gokulam). Therefore the child conceived in one womb https://objects-us-east-1.dream.io/blissdrive/SouthernCaliforniaSurrogacy/Becoming-A-Surrogate-In-Southern-California.html