Comparing the effects of ginger and metoclopramid on the treatment of pregnancy nausea

INTERVENTION: In placebo group 200 mg of flour are administered tree time per day for 5 days. Intervention 1: Intervention group 1: 10 mg of metoclopramid are administered tree time per day for 5 days. Intervention 2: Intervention group 2: 200 mg of ginger are administered tree time per day for 5 days. Intervention 3: In placebo group 200 mg of flour are administered tree time per day for 5 days. Intervention group 1: 10 mg of metoclopramid are administered tree time per day for 5 days. Intervention group 2: 200 mg of ginger are administered tree time per day for 5 days. Treatment ‐ Drugs CONDITION: Pregnancy nausea and vomiting. ; Vomiting of pregnancy, unspecified Vomiting of pregnancy, unspecified PRIMARY OUTCOME: Nausea and vomiting. Timepoint: Daily for 5 days. Method of measurement: Rhodes Index questionnaire. INCLUSION CRITERIA: INCLUSION CRITERIA: Single pregnancy and inefficacy of food regimens in controlling vomiting and nausea. Exclusion criteria: Suffering from other diseases that need drugs for treatment; hepatitis, gastritis, rise of intra cranial pressure and pancreatitis; ginger intolerance, metoclopramid extra pyramidal side effects; pregnancy side effects such as abortion risk, bleeding and pyelonephritis .