régulation des naissances (1) tendance (1) lumière (1) information (1) effet (1) ville (1) Brésil (1) Dose-response relationship (1) Case (1) Methods (1) Interviews (1) Cases (1) Birth (1) Walking (1) Ci (Chinese poetry) (1) Transcription (1) Pregnant women (1) Pregnancy--Trimester, Second (1) Pregnancy (1) Parturition (1) Mothers (1) Medical records (1) Light (1) Labor (Obstetrics) (1) Interviews (1) Grammar, Comparative and general--Case (1) Fetus--Growth (1) Exercise (1) Day (1) Childbirth (1)