placenta previa
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Meet the diagnostic criteria of placenta previa,and placenta previa adhere to lower segment of anterior uterine in B ultrasound; 2. Women of childbearing age; 3. without serious liver and kidney dysfunction (ALT, AST, Cr, higher than 1.5 times of upper limit of normal); 4. without serious organic diseases of vital organs (such as heart, liver, kidney) or diabetes TB in previous history; 5. Sign the informed consent voluntarily.
Exclusion criteria
Exclusion criteria: 1. do not meet the diagnostic criteria of placenta previa; 2. with serious organic diseases of vital organs in previous history; 3. fever; 4. serious infection; 5. with autoimmune disease; 6. other situations that doctors consider should exclude.
Design outcomes
Secondary
| Measure | Time frame |
|---|---|
| The first time getting out of bed after surgery;the first time farting after surgery;volume of blood transfusion;Apgar Score;Incidence of complication; | — |
Primary
| Measure | Time frame |
|---|---|
| volume of bleeding in surgery;time of fetus parturition; | — |
Countries
China