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| Name | Class |
|---|---|
| Significantis GmbH | UNKNOWN |
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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.
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| Measure | Description | Time Frame |
|---|---|---|
| Prevalence of vitamin D deficiency | Number of patients with vitamin D deficiency after testing of vitamin D blood level at admission for prenatal care in our clinic | Between the 1th and the 36th week of pregnancy |
| Measure | Description | Time Frame |
|---|---|---|
| BMI as a risk factor for vitamin D deficiency | Presence of an association between the patient's BMI and their vitamin D blood level? | Between the 1th and the 36th week of pregnancy |
| Ethnicity as a risk factor for vitamin D deficiency |
| Measure | Description | Time Frame |
|---|---|---|
| Association between vitamin D blood level and the mode of delivery at birth | Presence of an association between the vitamin D blood level and the mode of delivery (Vaginal delivery, instrumentalized delivery, primary and secondary cesarean)? | At delivery time |
| Association between vitamin D blood level and the gestational age at delivery |
Inclusion Criteria:
Exclusion Criteria:
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All the pregnant women attending prenatal care and giving birth at birth at our clinic
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| Name | Affiliation | Role |
|---|---|---|
| Daniel Surbek, Professor | Insel Gruppe AG, University Hospital Bern | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University Hospital Bern | Bern | 3010 | Switzerland |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 32502277 | Derived | Christoph P, Challande P, Raio L, Surbek D. High prevalence of severe vitamin D deficiency during the first trimester in pregnant women in Switzerland and its potential contributions to adverse outcomes in the pregnancy. Swiss Med Wkly. 2020 May 28;150:w20238. doi: 10.4414/smw.2020.20238. eCollection 2020 May 18. |
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| ID | Term |
|---|---|
| D014808 | Vitamin D Deficiency |
| ID | Term |
|---|---|
| D001361 | Avitaminosis |
| D003677 | Deficiency Diseases |
| D044342 | Malnutrition |
| D009748 | Nutrition Disorders |
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Presence of an association between the patient's ethnicity and their vitamin D blood level?
| Between the 1th and the 36th week of pregnancy |
| Age as risk factor for vitamin D deficiency | Presence of an association between the patient's age and their vitamin D blood level ? | Between the 1th and the 36th week of pregnancy |
| Period of the year as risk factor for vitamin D deficiency | Presence of an association between the period of the year at the time of the blood testing and the vitamin D blood level? | Between the 1th and the 36th week of pregnancy |
| Smoking Status as risk factor for vitamin D deficiency | Presence of an association between the patient's smoking status and the vitamin D blood level ? | Between the 1th and the 36th week of pregnancy |
| Association between vitamin D blood level and gestational diabetes mellitus | Presence of an association between the vitamin D blood level and the occurrence of gestational diabetes mellitus? | Between the 1th and the 36th week of pregnancy |
| Association between vitamin D blood level and gestational hypertension and preeclampsia | Presence of an association between the vitamin D blood level and the occurrence of 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 gestational age at delivery? Occurrence of preterm birth (before 37W) or postterm birth (after 40W)? |
| At delivery time |
| Association between vitamin D blood level and newborn growth | 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. | From week 1 until birth |
| D009750 |
| Nutritional and Metabolic Diseases |