Vitamin D deficiency
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Enrolled in women with 13~16 weeks of gestation; 2. Pregnants lived in Hefei city during pregnancy, and intended to have a antenatal care and delivery at the survey site; 3. Monocyesis; 4. Aged 18~45 years; 5. Willing to accept regular follow-up after being informed; 6. Be able to answer the questionnaire clearly.
Exclusion criteria
Exclusion criteria: 1. Pregnancy with assisted reproductive technology; 2. Affected with serious organic illness or mental disease; 3. Pregnancy complications; 4. Long-term drug use affected liver and kidney function; 5. Uncooperative in completing the questionnaire.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pregnancy complications;Birth outcomes; | — |
Secondary
| Measure | Time frame |
|---|---|
| Vitamin D concentration at term (25-hydroxyvitamin D in nmol/L;Blood glucose level; | — |
Countries
China
Contacts
Anhui Medical University