1. Drink more fluids.
2. Amnioinfusion
3. Injection of fluid before delivery using amniocentesis
4. IV fluids
5. Treatment of preexisting causes
6. BED REST
7. Extra monitoring
8. DIET
9. Natural Remedies
10. Delivery
https://www.healthline.com/health/pregnancy/how-to-increase-amniotic-fluid#treatments