Can you eat yam if you have threatened miscarriage?
In general, patients with threatened miscarriage can eat Chinese yam, but excessive consumption is not recommended. The detailed analysis is as follows:

Chinese yam has a soft, glutinous texture that is easy to digest, making it suitable for consumption during periods of physical weakness. It is rich in mucilaginous protein, various vitamins, and minerals such as potassium and magnesium. The mucilaginous protein helps protect the gastrointestinal mucosa and reduces digestive strain, while vitamins and minerals replenish essential nutrients, helping to enhance physical strength. According to Traditional Chinese Medicine (TCM), Chinese yam is neutral in nature and sweet in taste, with spleen-strengthening and qi-tonifying effects. Patients with threatened miscarriage often suffer from deficiencies in qi and blood; moderate consumption of Chinese yam may help improve their overall condition, providing foundational support for recovery and fetal stability.
Chinese yam should be thoroughly cooked before consumption. Raw yam contains saponins and plant alkaloids that may irritate the skin and digestive tract, causing discomfort. Steaming or boiling are preferred cooking methods, while greasy preparations such as frying or stir-frying should be avoided to prevent increased gastrointestinal burden. Due to its high starch content, pregnant women with gestational diabetes should limit their intake to avoid blood glucose fluctuations. If symptoms such as bloating or acid reflux occur after eating Chinese yam, consumption should be reduced or stopped, and medical advice should be sought promptly to adjust the diet plan.