They summoned the goddess Yogamaya and had her transfer the fetus within the womb of Devaki for the womb of Rohini (Vasudeva's other spouse who lived together with her sister Yashoda over the river Yamuna, within the village of cowherds at Gokulam). Therefore the kid conceived in a single womb https://www.wegotaguy.net/health-beauty/irvine/california/southern-california-surrogacy