Effect of Tourniquet Binding of Cervical on the Blood Volume of Amniotic Fluid in Cesarean Section

Conditions: Amniotic Fluid Embolism; Pulmonary Hypertension Interventions: Procedure: tourniquet binding of cervical Sponsors: First People ' s Hospital of Chenzhou Not yet recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials