tendance (1) temps (durée) (1) risque (1) exposition (1) taux (1) Blockades (1) Control (1) Methods (1) Teratology (1) Birth (1) Ci (Chinese poetry) (1) Time (1) Speeches, addresses, etc (1) Serotonin (1) Risk (1) Pregnant women (1) Pregnancy (1) Patients (1) Parturition (1) Materials (1) Lectures and lecturing (1) Labor (Obstetrics) (1) Information services (1) Gestational age (1) Counseling (1) Confidence (1) Childbirth (1) Blockade (1) Birth weight (1) Acting (1)