Vol. 34 (7) 2013 Neuro endocrinology letters

48-hours administration of nifedipine in spontaneous preterm labor - Doppler blood flow assessment of placental and fetal circulation.

OBJECTIVES: The aims were to assess the placental and fetal circulation during nifedipine tocolysis within the first 48 hours of therapy.

METHODS: Placental and fetal circulation was assessed in Doppler ultrasound examination prior to nifedipine administration and then after 24 and 48 hours. Maternal heart rate a.....