Some people pay attention to the passages in which a baby is found seven days after a ghost appears, pointing out that it has something to do with the episode of Maya, who passed away seven days after she gave birth to Shakyamuni.
幽霊があらわれて7日目に赤ん坊が発見される件に注目し、釈迦を生んで7日で亡くなった摩耶夫人のエピソードとの関連を指摘する説もある。