The main problem now is that 5-HTP is still too new on the market for anyone to know for sure. She might do better using herbs that have been tried and true for centuries, even if there isn't a lot of modern research on them. Today's Herbal Health and Prescription for Nutritional Healing. According to Today's Herbal Health , Spearmint is great for stopping vomiting during pregnancy. It would be a nice tea.
Wild yam is supposed to help prevent miscarriage.
And, Red Raspberry is well-known for strengthening the uterus, relieving pain and as an aid in easy labor. I read that part of the problem is an inflamed ligament which has been pulled someway abnormally and the body creates this spur for protection. I would also take one of the Arth-X formulas for nutritional support for the bones, ligaments and joints. I believe he would find relief in about a month of regular use. None of these would aggravate diabetes.