title: Letter: Oxytocin challenge.
mesh_terms: D005260:Female; D006801:Humans; D010121:Oxytocin; D010927:Placental Insufficiency / Q000150:complications / Q000175:diagnosis; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*; D012306:Risk; D014590:Uterine Contraction
chemical_list: D010121:Oxytocin