I can well understand the plight of the patient. However, Vomitting sensation is a normal phenomena at this stage. There are certain tips which may mitigate the present complication.
1) Whenever, Vomitting sensation appears, She may use Cumin - water for the alleviation of the problem. To prepare the water containing Cumin, One has to take roughly one table -spoon of Cumin and pour the same containing 250 ml of water. Now the water is to be boiled till the volume of water is reduced to half. Discard the Cumin by means of Filtration and consume the warm - water. This process can be repeated three to four times in a day.
2) Chewing of Ginger is also helpful sometimes. A small portion of Jinger say 2.5 gm is to be consumed at a time and this may also be repeated three to four times a day.
3) Protien - intake has to be stepped up. A boiled Egg, inclusion of Lean - meat, Pulses may help her in arresting the Vomitting tendency.
4) Even Homeopathic medicines offer immediate relief. So in case of complication, you may have a consultation of the Homeopathic Doctor.