Prevalence and Consequences of Vitamin D Deficiency in Pregnant Women in Switzerland

Completed

• Conditions: Vitamin D Deficiency

• Registration Number: NCT02904720
• Lead Sponsor: Insel Gruppe AG, University Hospital Bern

Brief Summary

The purpose of this study is to determine the prevalence of vitamin D deficiency among the population of pregnant women receiving prenatal care and giving birth at the investigators' clinic. The further purposes are to identify the population at risk for vitamin D deficiency and to analyse whether vitamin D deficiency is associated with pregnancy complications.

Detailed Description

Not available

Study Timeline

• Study Start: 2015-10
• Primary Completion: 2016-02
• Study Completion: 2016-02
• Status Verified: 2016-09
• Study First Submitted: 2016-09-08
• Study First Submitted QC: 2016-09-13
• Last Update Submitted: 2016-09-13
• Study First Posted: 2016-09-19
• Last Update Posted: 2016-09-19

Recruitment & Eligibility

• Status: COMPLETED
• Sex: Female
• Target Recruitment: 1199

Inclusion Criteria

• Pregnant women attending prenatal care at our clinic who had a vitamin D blood-testing at admission

Exclusion Criteria

• Pregnant women lost to follow-up, Birth outside our clinic

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Prevalence of vitamin D deficiency	Between the 1th and the 36th week of pregnancy	Number of patients with vitamin D deficiency after testing of vitamin D blood level at admission for prenatal care in our clinic

Secondary Outcome Measures

Name	Time	Method
BMI as a risk factor for vitamin D deficiency	Between the 1th and the 36th week of pregnancy	Presence of an association between the patient's BMI and their vitamin D blood level?
Ethnicity as a risk factor for vitamin D deficiency	Between the 1th and the 36th week of pregnancy	Presence of an association between the patient's ethnicity and their vitamin D blood level?
Age as risk factor for vitamin D deficiency	Between the 1th and the 36th week of pregnancy	Presence of an association between the patient's age and their vitamin D blood level ?
Period of the year as risk factor for vitamin D deficiency	Between the 1th and the 36th week of pregnancy	Presence of an association between the period of the year at the time of the blood testing and the vitamin D blood level?
Smoking Status as risk factor for vitamin D deficiency	Between the 1th and the 36th week of pregnancy	Presence of an association between the patient's smoking status and the vitamin D blood level ?
Association between vitamin D blood level and gestational diabetes mellitus	Between the 1th and the 36th week of pregnancy	Presence of an association between the vitamin D blood level and the occurrence of gestational diabetes mellitus?
Association between vitamin D blood level and gestational hypertension and preeclampsia	Between the 1th and the 36th week of pregnancy	Presence of an association between the vitamin D blood level and the occurrence of gestational hypertension and preeclampsia ?

Trial Locations

Locations (1)

University Hospital Bern; 🇨🇭 Bern, Switzerland