WITHDRAWN: Interventions for nausea and vomiting in early pregnancy

Jewell et al., 2010 | Cochrane Database Syst Rev | Systematic Review

Citation

Jewell David, Young Gavin. WITHDRAWN: Interventions for nausea and vomiting in early pregnancy. Cochrane Database Syst Rev. 2010-Sep-08;2010(9):CD000145. doi:10.1002/14651858.CD000145.pub2

Abstract

BACKGROUND: Nausea and vomiting are the most common symptoms experienced in early pregnancy, with nausea affecting between 70 and 85% of women. About half of pregnant women experience vomiting. OBJECTIVES: To assess the effects of different methods of treating nausea and vomiting in early pregnancy. SEARCH STRATEGY: We searched the Cochrane Pregnancy and Childbirth Group trials register (December 2002) and the Cochrane Central Register of Controlled Trials (The Cochrane Library, Issue 4, 2002). SELECTION CRITERIA: Randomised trials of any treatment for nausea and/or vomiting in early pregnancy. DATA COLLECTION AND ANALYSIS: Two reviewers assessed the trial quality and extracted the data independently. MAIN RESULTS: Twenty-eight trials met the inclusion criteria. For milder degrees of nausea and vomiting, 21 trials were included. These trials were of variable quality. Nausea treatments were: different antihistamine medications, vitamin B6 (pyridoxine), the combination tablet Debendox (Bendectin), P6 acupressure and ginger. For hyperemesis gravidarum, seven trials were identified testing treatments with oral ginger root extract, oral or injected corticosteroids or injected adrenocorticotropic hormone (ACTH), intravenous diazepam and acupuncture. Based on 12 trials, there was an overall reduction in nausea from anti-emetic medication (odds ratio 0.16, 95% confidence interval 0.08 to 0.33). AUTHORS' CONCLUSIONS: Anti-emetic medication appears to reduce the frequency of nausea in early pregnancy. There is some evidence of adverse effects, but there is very little information on effects on fetal outcomes from randomised controlled trials. Of newer treatments, pyridoxine (vitamin B6) appears to be more effective in reducing the severity of nausea. The results from trials of P6 acupressure are equivocal. No trials of treatments for hyperemesis gravidarum show any evidence of benefit. Evidence from observational studies suggests no evidence of teratogenicity from any of these treatments.

Key Findings

Twenty-eight trials met the inclusion criteria. For milder degrees of nausea and vomiting, 21 trials were included. These trials were of variable quality. Nausea treatments were: different antihistamine medications, vitamin B6 (pyridoxine), the combination tablet Debendox (Bendectin), P6 acupressure and ginger. For hyperemesis gravidarum, seven trials were identified testing treatments with oral ginger root extract, oral or injected corticosteroids or injected adrenocorticotropic hormone (ACTH),

Outcomes Measured

  • Requires manual extraction

Population

Field Value
Population pregnant women
Sample Size 21
Age Range See abstract
Condition See abstract

MeSH Terms

  • Antiemetics
  • Female
  • Humans
  • Hyperemesis Gravidarum
  • Nausea
  • Pregnancy
  • Pregnancy Complications
  • Pregnancy Trimester, First
  • Pregnancy Trimester, Second
  • Randomized Controlled Trials as Topic
  • Vomiting

Evidence Classification

  • Level: Systematic Review
  • Publication Types: Journal Article, Systematic Review
  • Vertical: vitamin-b6

Provenance


Source extracted via PubMed E-utilities API on 2026-04-09