Vitamin D Deficiency
Conditions
Keywords
Vitamin D; Pregnancy
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.
Interventions
None listed
Sponsors
Significantis GmbH
Insel Gruppe AG, University Hospital Bern
Study design
Observational model
COHORT
Time perspective
CROSS_SECTIONAL
Eligibility
Sex/Gender
FEMALE
Healthy volunteers
Yes
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
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| 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
| Measure | Time frame | Description |
|---|---|---|
| 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 ? |
| 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 ? |
| 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? |
| 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? |
Other
| Measure | Time frame | Description |
|---|---|---|
| Association between vitamin D blood level and newborn growth | From week 1 until birth | Presence of an association between vitamin D blood level and the occurrence of intrauterin growth retardation or small-for-gestational age child? With assessment of measure like length, weight, head perimeter. |
| Association between vitamin D blood level and the mode of delivery at birth | At delivery time | Presence of an association between the vitamin D blood level and the mode of delivery (Vaginal delivery, instrumentalized delivery, primary and secondary cesarean)? |
| Association between vitamin D blood level and the gestational age at delivery | At delivery time | Presence of an association between the vitamin D blood level and the gestational age at delivery? Occurrence of preterm birth (before 37W) or postterm birth (after 40W)? |
Countries
Switzerland
Outcome results
None listed