Morning sickness. Morning sickness can be treated with natural things like a sea band which is worn around the wrists, papaya enzyme, and over the counter dramamine. Prescriptions are available from your dr. And include Phenergan (promethazine) and zofran.
Ginger. Probably the simplest way to reduce nausea is with ginger. You can drink slightly flattened ginger ale or nibble on crystallized ginger. Or pour boiling water over freshly sliced organic ginger & steep x 5 min in a covered pot. Sip. Aromatherapy: sweet orange (citrus sinensis), peitigrain (citrus reticulata), mandarin (citrus reticulata) are different citrus scents that can decrease nausea.