Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: Vitamin D Status Impacts Inflammation and Risk of Infections During Pregnancy
Brief Summary: The goal of this study is to characterize the function and efficacy of the bioactive nutrient, vitamin D, in relation to infection and inflammatory status across pregnancy. The three specific aims of this study are 1) To address the impact of maternal vitamin D status on inflammation and infections across pregnancy using retrospective data, 2) To address the impact of vitamin D supplementation on maternal vitamin D status, inflammation and infections across pregnancy using prospective data and 3) To assess the impact of maternal vitamin D status during pregnancy on inflammatory mediators at the level of the placenta.


Options:
A: Arm Label: 10 mcg Vitamin D3; Type: EXPERIMENTAL; Interventions: Dietary Supplement: 10 mcg Vitamin D3 | Arm Label: 20 mcg Vitamin D3; Type: EXPERIMENTAL; Interventions: Dietary Supplement: 20 mcg Vitamin D3 | Arm Label: Placebo; Type: PLACEBO_COMPARATOR; Interventions: Dietary Supplement: Placebo | Intervention Type: DIETARY_SUPPLEMENT; Name: 10 mcg Vitamin D3; Assigned to Arm(s): 10 mcg Vitamin D3 | Intervention Type: DIETARY_SUPPLEMENT; Name: 20 mcg Vitamin D3; Assigned to Arm(s): 20 mcg Vitamin D3 | Intervention Type: DIETARY_SUPPLEMENT; Name: Placebo; Assigned to Arm(s): Placebo
B: Arm Label: 200 IU Vitamin D3; Type: EXPERIMENTAL; Interventions: Dietary Supplement: Vitamin D3 Supplementation | Arm Label: 2000 IU Vitamin D3; Type: EXPERIMENTAL; Interventions: Dietary Supplement: Vitamin D3 Supplementation | Intervention Type: DIETARY_SUPPLEMENT; Name: Vitamin D3 Supplementation; Assigned to Arm(s): 200 IU Vitamin D3, 2000 IU Vitamin D3
C: Arm Label: Group A; Type: PLACEBO_COMPARATOR; Interventions: Dietary Supplement: Placebo | Arm Label: Group B; Type: EXPERIMENTAL; Interventions: Dietary Supplement: Vitamin D3 (cholecalciferol), Dietary Supplement: Placebo | Arm Label: Group C; Type: EXPERIMENTAL; Interventions: Dietary Supplement: Vitamin D3 (cholecalciferol), Dietary Supplement: Placebo | Arm Label: Group D; Type: EXPERIMENTAL; Interventions: Dietary Supplement: Vitamin D3 (cholecalciferol), Dietary Supplement: Placebo | Arm Label: Group E; Type: EXPERIMENTAL; Interventions: Dietary Supplement: Vitamin D3 (cholecalciferol) | Intervention Type: DIETARY_SUPPLEMENT; Name: Vitamin D3 (cholecalciferol); Assigned to Arm(s): Group B, Group C, Group D, Group E | Intervention Type: DIETARY_SUPPLEMENT; Name: Placebo; Assigned to Arm(s): Group A, Group B, Group C, Group D
D: Arm Label: Group A; Type: PLACEBO_COMPARATOR; Interventions: Dietary Supplement: Placebo | Arm Label: Group B; Type: EXPERIMENTAL; Interventions: Dietary Supplement: Vitamin D3 | Arm Label: Group C; Type: EXPERIMENTAL; Interventions: Dietary Supplement: Vitamin D3 | Arm Label: Group D; Type: EXPERIMENTAL; Interventions: Dietary Supplement: Vitamin D3 | Arm Label: Group E; Type: EXPERIMENTAL; Interventions: Dietary Supplement: Vitamin D3 | Intervention Type: DIETARY_SUPPLEMENT; Name: Vitamin D3; Assigned to Arm(s): Group B, Group C, Group D, Group E | Intervention Type: DIETARY_SUPPLEMENT; Name: Placebo; Assigned to Arm(s): Group A

Answer: B