What do systematic reviews say?

Intervention not reported

The intervention showed no clear difference in preterm prelabour rupture of membranes (low certainty).

• Vitamin C supplementation in pregnancy 2015 · Cochrane Headline outcomes only
  RR 0.98 [0.7, 1.36]
  10 studies · 16825 participants
  Low

Intervention not reported

The intervention showed no clear difference in clinical pre‐eclampsia (moderate certainty).

• Vitamin C supplementation in pregnancy 2015 · Cochrane Headline outcomes only
  RR 0.92 [0.8, 1.05]
  16 studies · 21956 participants
  Moderate

Intervention not reported

The intervention leads to lower placental abruption (high certainty).

• Vitamin C supplementation in pregnancy 2015 · Cochrane Headline outcomes only
  RR 0.64 [0.44, 0.92]
  8 studies · 15755 participants
  High

Pre-radiotherapy extraction of healthy molar teeth vs Conservative treatment (leaving the teeth in place during radiotherapy, with oral health education and disease prevention: oral hygiene, fluoride, diet advice)

The review found no eligible studies for this question.

• Dental extractions prior to radiotherapy to the jaws for reducing post‐radiotherapy dental complications 2013 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Pre-radiotherapy extraction of diseased molar teeth vs Conservative treatment (restoration of the teeth and leaving them in place during radiotherapy, with oral health education and disease prevention: oral hygiene, fluoride, diet advice)

The review found no eligible studies for this question.

• Dental extractions prior to radiotherapy to the jaws for reducing post‐radiotherapy dental complications 2013 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Pre-radiotherapy extraction of healthy molar teeth vs Conservative treatment (leaving the teeth in place during radiotherapy, with oral health education and disease prevention: oral hygiene, fluoride, diet advice)

The review found no eligible studies for this question.

• Dental extractions prior to radiotherapy to the jaws for reducing post‐radiotherapy dental complications 2013 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Pre-radiotherapy extraction of diseased molar teeth vs Conservative treatment (restoration of the teeth and leaving them in place during radiotherapy, with oral health education and disease prevention: oral hygiene, fluoride, diet advice)

The review found no eligible studies for this question.

• Dental extractions prior to radiotherapy to the jaws for reducing post‐radiotherapy dental complications 2013 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Pre-radiotherapy extraction of diseased molar teeth vs Conservative treatment (restoration of the teeth and leaving them in place during radiotherapy, with oral health education and disease prevention: oral hygiene, fluoride, diet advice)

The review found no eligible studies for this question.

• Dental extractions prior to radiotherapy to the jaws for reducing post‐radiotherapy dental complications 2013 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Pre-radiotherapy extraction of healthy molar teeth vs Conservative treatment (leaving the teeth in place during radiotherapy, with oral health education and disease prevention: oral hygiene, fluoride, diet advice)

The review found no eligible studies for this question.

• Dental extractions prior to radiotherapy to the jaws for reducing post‐radiotherapy dental complications 2013 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Pre-radiotherapy extraction of diseased molar teeth vs Conservative treatment (restoration of the teeth and leaving them in place during radiotherapy, with oral health education and disease prevention: oral hygiene, fluoride, diet advice)

The review found no eligible studies for this question.

• Dental extractions prior to radiotherapy to the jaws for reducing post‐radiotherapy dental complications 2013 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Pre-radiotherapy extraction of diseased molar teeth vs Conservative treatment (restoration of the teeth and leaving them in place during radiotherapy, with oral health education and disease prevention: oral hygiene, fluoride, diet advice)

The review found no eligible studies for this question.

• Dental extractions prior to radiotherapy to the jaws for reducing post‐radiotherapy dental complications 2013 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Pre-radiotherapy extraction of healthy molar teeth vs Conservative treatment (leaving the teeth in place during radiotherapy, with oral health education and disease prevention: oral hygiene, fluoride, diet advice)

The review found no eligible studies for this question.

• Dental extractions prior to radiotherapy to the jaws for reducing post‐radiotherapy dental complications 2013 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Pre-radiotherapy extraction of healthy molar teeth vs Conservative treatment (leaving the teeth in place during radiotherapy, with oral health education and disease prevention: oral hygiene, fluoride, diet advice)

The review found no eligible studies for this question.

• Dental extractions prior to radiotherapy to the jaws for reducing post‐radiotherapy dental complications 2013 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Hepatic product (HepaticAid) vs diet only (without supplement)

• Nutritional interventions for liver‐transplanted patients 2012 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 22 participants
  Very low

Standard casein product (Ensure) vs diet only (without supplement)

• Nutritional interventions for liver‐transplanted patients 2012 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 24 participants
  Very low

Standard casein product (Ensure) vs diet only (without supplement)

It is very uncertain whether standard casein product (Ensure) changes new onset of diabetes compared with diet only (without supplement) (very low certainty).

• Nutritional interventions for liver‐transplanted patients 2012 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 24 participants
  Very low

Standard casein product (Ensure) vs diet only (without supplement)

• Nutritional interventions for liver‐transplanted patients 2012 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 24 participants
  Very low

Standard casein product (Ensure) vs diet only (without supplement)

• Nutritional interventions for liver‐transplanted patients 2012 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 20 participants
  Very low

Standard casein product (Ensure) vs diet only (without supplement)

• Nutritional interventions for liver‐transplanted patients 2012 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 20 participants
  Very low

Hepatic product (HepaticAid) vs diet only (without supplement)

• Nutritional interventions for liver‐transplanted patients 2012 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 22 participants
  Very low