title: Relationship of intrauterine fetal activity to maternal sleep stage.
mesh_terms: D000328:Adult; D005133:Eye Movements; D005260:Female; D005333:Fetus / Q000502:physiology*; D005865:Gestational Age; D006801:Humans; D008431:Maternal-Fetal Exchange; D009043:Motor Activity; D010507:Periodicity; D011247:Pregnancy; D012890:Sleep / Q000502:physiology*