Hello dear Understand your concern. Clearance of marijauna depend on following factor 1. acute vs chronic user: In acute user: It will clear after 10-15 days In chronic user: It will clear after 27-30 dyas 2. Health diet, exercises, enough sleeps help in faster clearance It can cause neural tube defect and congenital defect in baby if you use long time. So please avoid if possible. And take some medicine for nausea. Take the following advice for extreme nausea Increased rest time. Take fresh outdoor air help in faster improvement Diet care: 1. Eat when hungry 2. Small frequent diet 3. Avoid spicy fatty foods 4. Avoid pill with iron 5. High protein diet reduce vomiting 6. Try to take Herbal tea, cracker, unbutterd toast, gelatin contain desserts help to reduce severity 7. Take more carbonate beverages. Drugs 1. Tablet metroclopramide: 5-10 mg orally 4-5 times/day 2. Tablet Promethazine: 12 mg rectally 3 times/day 3. Tablet doxylamine: 12 mg 4 times/day 4. Tablet of Vitamin B6: 10 mg 4 times/day 5. Injection ondensaterone 8 mg in unresponsive case 6. Ginger capsule 250 mg 4 times/day Accupressor therapy: electrical stimulation around wrist help to reduce severity. Psychological consultation: to reduce anxiety Behaviour therapy Close follow up under obstetrician Hope this may help you. Wish you good health and faster recovery Best regards Dr. Sagar