title: Fetal breathing movements in response to maternal inhalation of 5% carbon dioxide.
abstract: The effect upon fetal breathing movements (FBM) in 49 women with uncomplicated pregnancies who inhaled 5% carbon dioxide in air for 15 minutes was observed with an ADR real-time ultrasound scanner. A threefold increase in FBM occurred during the inhalation of CO2.
mesh_terms: D002245:Carbon Dioxide / Q000097:blood / Q000494:pharmacology*; D005260:Female; D005333:Fetus / Q000502:physiology*; D006801:Humans; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D012119:Respiration
chemical_list: D002245:Carbon Dioxide