None
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Single pregnancy, aged 18-45 years, intended to be registered and delivered in our hospital
Exclusion criteria
Exclusion criteria: Patients with chronic diseases (hypertension, diabetes, thyroid disease, liver disease, kidney disease), no mental diseases, no gastrointestinal diseases and gastrointestinal surgery history, no infectious history (hepatitis, tuberculosis, etc.), and no cancer surgery.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Total red blood cell folate;Red blood cell 5-methyltetrahydrofolate (RBC 5-MTHF);Red blood cell 5-acyl tetrahydrofolic acid;Red blood cell 5,10-methylenetetrahydrofolic acid;Red blood cell free folate; | — |
Secondary
| Measure | Time frame |
|---|---|
| Serum homocysteine;Methylenetetrahydrofolate reductase (MTHFR) genotype;Structure of intestinal microbiota; | — |
Countries
China
Contacts
Beijing Obstetrics and Gynecolocy Hospital, Capital Medical University